20648628

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 72253440

約数和(自身を除く): 51604812

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, 191, 198, 231, 234, 252, 273, 286, 297, 308, 351, 364, 378, 382, 396, 429, 462, 468, 546, 572, 573, 594, 693, 702, 756, 764, 819, 858, 924, 1001, 1092, 1146, 1188, 1287, 1337, 1386, 1404, 1638, 1716, 1719, 2002, 2079, 2101, 2292, 2457, 2483, 2574, 2674, 2772, 3003, 3276, 3438, 3861, 4004, 4011, 4158, 4202, 4914, 4966, 5148, 5157, 5348, 6006, 6303, 6876, 7449, 7722, 8022, 8316, 8404, 9009, 9828, 9932, 10314, 12012, 12033, 12606, 14707, 14898, 15444, 16044, 17381, 18018, 18909, 20628, 22347, 24066, 25212, 27027, 27313, 29414, 29796, 34762, 36036, 36099, 37818, 44121, 44694, 48132, 52143, 54054, 54626, 56727, 58828, 67041, 69524, 72198, 75636, 81939, 88242, 89388, 104286, 108108, 109252, 113454, 132363, 134082, 144396, 156429, 163878, 176484, 191191, 208572, 226908, 245817, 264726, 268164, 312858, 327756, 382382, 397089, 469287, 491634, 529452, 573573, 625716, 737451, 764764, 794178, 938574, 983268, 1147146, 1474902, 1588356, 1720719, 1877148, 2294292, 2949804, 3441438, 5162157, 6882876, 10324314, 20648628]

約数ペア:

[(1, 20648628), (2, 10324314), (3, 6882876), (4, 5162157), (6, 3441438), (7, 2949804), (9, 2294292), (11, 1877148), (12, 1720719), (13, 1588356), (14, 1474902), (18, 1147146), (21, 983268), (22, 938574), (26, 794178), (27, 764764), (28, 737451), (33, 625716), (36, 573573), (39, 529452), (42, 491634), (44, 469287), (52, 397089), (54, 382382), (63, 327756), (66, 312858), (77, 268164), (78, 264726), (84, 245817), (91, 226908), (99, 208572), (108, 191191), (117, 176484), (126, 163878), (132, 156429), (143, 144396), (154, 134082), (156, 132363), (182, 113454), (189, 109252), (191, 108108), (198, 104286), (231, 89388), (234, 88242), (252, 81939), (273, 75636), (286, 72198), (297, 69524), (308, 67041), (351, 58828), (364, 56727), (378, 54626), (382, 54054), (396, 52143), (429, 48132), (462, 44694), (468, 44121), (546, 37818), (572, 36099), (573, 36036), (594, 34762), (693, 29796), (702, 29414), (756, 27313), (764, 27027), (819, 25212), (858, 24066), (924, 22347), (1001, 20628), (1092, 18909), (1146, 18018), (1188, 17381), (1287, 16044), (1337, 15444), (1386, 14898), (1404, 14707), (1638, 12606), (1716, 12033), (1719, 12012), (2002, 10314), (2079, 9932), (2101, 9828), (2292, 9009), (2457, 8404), (2483, 8316), (2574, 8022), (2674, 7722), (2772, 7449), (3003, 6876), (3276, 6303), (3438, 6006), (3861, 5348), (4004, 5157), (4011, 5148), (4158, 4966), (4202, 4914)]