20864844

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:237

約数の個数: 192

約数和(自身を含む): 73006080

約数和(自身を除く): 52141236

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 27, 28, 33, 36, 39, 42, 44, 52, 54, 63, 66, 77, 78, 84, 91, 99, 108, 117, 126, 132, 143, 154, 156, 182, 189, 193, 198, 231, 234, 252, 273, 286, 297, 308, 351, 364, 378, 386, 396, 429, 462, 468, 546, 572, 579, 594, 693, 702, 756, 772, 819, 858, 924, 1001, 1092, 1158, 1188, 1287, 1351, 1386, 1404, 1638, 1716, 1737, 2002, 2079, 2123, 2316, 2457, 2509, 2574, 2702, 2772, 3003, 3276, 3474, 3861, 4004, 4053, 4158, 4246, 4914, 5018, 5148, 5211, 5404, 6006, 6369, 6948, 7527, 7722, 8106, 8316, 8492, 9009, 9828, 10036, 10422, 12012, 12159, 12738, 14861, 15054, 15444, 16212, 17563, 18018, 19107, 20844, 22581, 24318, 25476, 27027, 27599, 29722, 30108, 35126, 36036, 36477, 38214, 44583, 45162, 48636, 52689, 54054, 55198, 57321, 59444, 67743, 70252, 72954, 76428, 82797, 89166, 90324, 105378, 108108, 110396, 114642, 133749, 135486, 145908, 158067, 165594, 178332, 193193, 210756, 229284, 248391, 267498, 270972, 316134, 331188, 386386, 401247, 474201, 496782, 534996, 579579, 632268, 745173, 772772, 802494, 948402, 993564, 1159158, 1490346, 1604988, 1738737, 1896804, 2318316, 2980692, 3477474, 5216211, 6954948, 10432422, 20864844]

約数ペア:

[(1, 20864844), (2, 10432422), (3, 6954948), (4, 5216211), (6, 3477474), (7, 2980692), (9, 2318316), (11, 1896804), (12, 1738737), (13, 1604988), (14, 1490346), (18, 1159158), (21, 993564), (22, 948402), (26, 802494), (27, 772772), (28, 745173), (33, 632268), (36, 579579), (39, 534996), (42, 496782), (44, 474201), (52, 401247), (54, 386386), (63, 331188), (66, 316134), (77, 270972), (78, 267498), (84, 248391), (91, 229284), (99, 210756), (108, 193193), (117, 178332), (126, 165594), (132, 158067), (143, 145908), (154, 135486), (156, 133749), (182, 114642), (189, 110396), (193, 108108), (198, 105378), (231, 90324), (234, 89166), (252, 82797), (273, 76428), (286, 72954), (297, 70252), (308, 67743), (351, 59444), (364, 57321), (378, 55198), (386, 54054), (396, 52689), (429, 48636), (462, 45162), (468, 44583), (546, 38214), (572, 36477), (579, 36036), (594, 35126), (693, 30108), (702, 29722), (756, 27599), (772, 27027), (819, 25476), (858, 24318), (924, 22581), (1001, 20844), (1092, 19107), (1158, 18018), (1188, 17563), (1287, 16212), (1351, 15444), (1386, 15054), (1404, 14861), (1638, 12738), (1716, 12159), (1737, 12012), (2002, 10422), (2079, 10036), (2123, 9828), (2316, 9009), (2457, 8492), (2509, 8316), (2574, 8106), (2702, 7722), (2772, 7527), (3003, 6948), (3276, 6369), (3474, 6006), (3861, 5404), (4004, 5211), (4053, 5148), (4158, 5018), (4246, 4914)]