20195370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 58063824

約数和(自身を除く): 37868454

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 41, 45, 65, 78, 82, 90, 117, 123, 130, 195, 205, 234, 246, 369, 390, 410, 421, 533, 585, 615, 738, 842, 1066, 1170, 1230, 1263, 1599, 1845, 2105, 2526, 2665, 3198, 3690, 3789, 4210, 4797, 5330, 5473, 6315, 7578, 7995, 9594, 10946, 12630, 15990, 16419, 17261, 18945, 23985, 27365, 32838, 34522, 37890, 47970, 49257, 51783, 54730, 82095, 86305, 98514, 103566, 155349, 164190, 172610, 224393, 246285, 258915, 310698, 448786, 492570, 517830, 673179, 776745, 1121965, 1346358, 1553490, 2019537, 2243930, 3365895, 4039074, 6731790, 10097685, 20195370]

約数ペア:

[(1, 20195370), (2, 10097685), (3, 6731790), (5, 4039074), (6, 3365895), (9, 2243930), (10, 2019537), (13, 1553490), (15, 1346358), (18, 1121965), (26, 776745), (30, 673179), (39, 517830), (41, 492570), (45, 448786), (65, 310698), (78, 258915), (82, 246285), (90, 224393), (117, 172610), (123, 164190), (130, 155349), (195, 103566), (205, 98514), (234, 86305), (246, 82095), (369, 54730), (390, 51783), (410, 49257), (421, 47970), (533, 37890), (585, 34522), (615, 32838), (738, 27365), (842, 23985), (1066, 18945), (1170, 17261), (1230, 16419), (1263, 15990), (1599, 12630), (1845, 10946), (2105, 9594), (2526, 7995), (2665, 7578), (3198, 6315), (3690, 5473), (3789, 5330), (4210, 4797)]