20179170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 61621560

約数和(自身を除く): 41442390

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 85, 90, 99, 102, 109, 110, 121, 153, 165, 170, 187, 198, 218, 242, 255, 306, 327, 330, 363, 374, 495, 510, 545, 561, 605, 654, 726, 765, 935, 981, 990, 1089, 1090, 1122, 1199, 1210, 1530, 1635, 1683, 1815, 1853, 1870, 1962, 2057, 2178, 2398, 2805, 3270, 3366, 3597, 3630, 3706, 4114, 4905, 5445, 5559, 5610, 5995, 6171, 7194, 8415, 9265, 9810, 10285, 10791, 10890, 11118, 11990, 12342, 13189, 16677, 16830, 17985, 18513, 18530, 20383, 20570, 21582, 26378, 27795, 30855, 33354, 35970, 37026, 39567, 40766, 53955, 55590, 61149, 61710, 65945, 79134, 83385, 92565, 101915, 107910, 118701, 122298, 131890, 166770, 183447, 185130, 197835, 203830, 224213, 237402, 305745, 366894, 395670, 448426, 593505, 611490, 672639, 917235, 1121065, 1187010, 1345278, 1834470, 2017917, 2242130, 3363195, 4035834, 6726390, 10089585, 20179170]

約数ペア:

[(1, 20179170), (2, 10089585), (3, 6726390), (5, 4035834), (6, 3363195), (9, 2242130), (10, 2017917), (11, 1834470), (15, 1345278), (17, 1187010), (18, 1121065), (22, 917235), (30, 672639), (33, 611490), (34, 593505), (45, 448426), (51, 395670), (55, 366894), (66, 305745), (85, 237402), (90, 224213), (99, 203830), (102, 197835), (109, 185130), (110, 183447), (121, 166770), (153, 131890), (165, 122298), (170, 118701), (187, 107910), (198, 101915), (218, 92565), (242, 83385), (255, 79134), (306, 65945), (327, 61710), (330, 61149), (363, 55590), (374, 53955), (495, 40766), (510, 39567), (545, 37026), (561, 35970), (605, 33354), (654, 30855), (726, 27795), (765, 26378), (935, 21582), (981, 20570), (990, 20383), (1089, 18530), (1090, 18513), (1122, 17985), (1199, 16830), (1210, 16677), (1530, 13189), (1635, 12342), (1683, 11990), (1815, 11118), (1853, 10890), (1870, 10791), (1962, 10285), (2057, 9810), (2178, 9265), (2398, 8415), (2805, 7194), (3270, 6171), (3366, 5995), (3597, 5610), (3630, 5559), (3706, 5445), (4114, 4905)]