20902584924

素因数分解:

$2^2\times 3^8\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:549

約数の個数: 216

約数和(自身を含む): 59577886368

約数和(自身を除く): 38675301444

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 197, 234, 243, 311, 324, 351, 394, 468, 486, 591, 622, 702, 729, 788, 933, 972, 1053, 1182, 1244, 1404, 1458, 1773, 1866, 2106, 2187, 2364, 2561, 2799, 2916, 3159, 3546, 3732, 4043, 4212, 4374, 5122, 5319, 5598, 6318, 6561, 7092, 7683, 8086, 8397, 8748, 9477, 10244, 10638, 11196, 12129, 12636, 13122, 15366, 15957, 16172, 16794, 18954, 21276, 23049, 24258, 25191, 26244, 28431, 30732, 31914, 33588, 36387, 37908, 46098, 47871, 48516, 50382, 56862, 61267, 63828, 69147, 72774, 75573, 85293, 92196, 95742, 100764, 109161, 113724, 122534, 138294, 143613, 145548, 151146, 170586, 183801, 191484, 207441, 218322, 226719, 245068, 276588, 287226, 302292, 327483, 341172, 367602, 414882, 430839, 436644, 453438, 551403, 574452, 622323, 654966, 680157, 735204, 796471, 829764, 861678, 906876, 982449, 1102806, 1244646, 1292517, 1309932, 1360314, 1592942, 1654209, 1723356, 1866969, 1964898, 2040471, 2205612, 2389413, 2489292, 2585034, 2720628, 2947347, 3185884, 3308418, 3733938, 3929796, 4080942, 4778826, 4962627, 5170068, 5600907, 5894694, 6616836, 7168239, 7467876, 8161884, 8842041, 9557652, 9925254, 11201814, 11789388, 14336478, 14887881, 16802721, 17684082, 19850508, 21504717, 22403628, 26526123, 28672956, 29775762, 33605442, 35368164, 43009434, 44663643, 53052246, 59551524, 64514151, 67210884, 86018868, 89327286, 106104492, 129028302, 133990929, 178654572, 193542453, 258056604, 267981858, 387084906, 401972787, 535963716, 580627359, 774169812, 803945574, 1161254718, 1607891148, 1741882077, 2322509436, 3483764154, 5225646231, 6967528308, 10451292462, 20902584924]

約数ペア:

[(1, 20902584924), (2, 10451292462), (3, 6967528308), (4, 5225646231), (6, 3483764154), (9, 2322509436), (12, 1741882077), (13, 1607891148), (18, 1161254718), (26, 803945574), (27, 774169812), (36, 580627359), (39, 535963716), (52, 401972787), (54, 387084906), (78, 267981858), (81, 258056604), (108, 193542453), (117, 178654572), (156, 133990929), (162, 129028302), (197, 106104492), (234, 89327286), (243, 86018868), (311, 67210884), (324, 64514151), (351, 59551524), (394, 53052246), (468, 44663643), (486, 43009434), (591, 35368164), (622, 33605442), (702, 29775762), (729, 28672956), (788, 26526123), (933, 22403628), (972, 21504717), (1053, 19850508), (1182, 17684082), (1244, 16802721), (1404, 14887881), (1458, 14336478), (1773, 11789388), (1866, 11201814), (2106, 9925254), (2187, 9557652), (2364, 8842041), (2561, 8161884), (2799, 7467876), (2916, 7168239), (3159, 6616836), (3546, 5894694), (3732, 5600907), (4043, 5170068), (4212, 4962627), (4374, 4778826), (5122, 4080942), (5319, 3929796), (5598, 3733938), (6318, 3308418), (6561, 3185884), (7092, 2947347), (7683, 2720628), (8086, 2585034), (8397, 2489292), (8748, 2389413), (9477, 2205612), (10244, 2040471), (10638, 1964898), (11196, 1866969), (12129, 1723356), (12636, 1654209), (13122, 1592942), (15366, 1360314), (15957, 1309932), (16172, 1292517), (16794, 1244646), (18954, 1102806), (21276, 982449), (23049, 906876), (24258, 861678), (25191, 829764), (26244, 796471), (28431, 735204), (30732, 680157), (31914, 654966), (33588, 622323), (36387, 574452), (37908, 551403), (46098, 453438), (47871, 436644), (48516, 430839), (50382, 414882), (56862, 367602), (61267, 341172), (63828, 327483), (69147, 302292), (72774, 287226), (75573, 276588), (85293, 245068), (92196, 226719), (95742, 218322), (100764, 207441), (109161, 191484), (113724, 183801), (122534, 170586), (138294, 151146), (143613, 145548)]