20121941512

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{1021}}^1$

素因数の和:1466

約数の個数: 64

約数和(自身を含む): 38670231600

約数和(自身を除く): 18548290088

約数列:

[1, 2, 4, 8, 97, 109, 194, 218, 233, 388, 436, 466, 776, 872, 932, 1021, 1864, 2042, 4084, 8168, 10573, 21146, 22601, 25397, 42292, 45202, 50794, 84584, 90404, 99037, 101588, 111289, 180808, 198074, 203176, 222578, 237893, 396148, 445156, 475786, 792296, 890312, 951572, 1903144, 2463509, 4927018, 9854036, 10795033, 19708072, 21590066, 23075621, 25930337, 43180132, 46151242, 51860674, 86360264, 92302484, 103721348, 184604968, 207442696, 2515242689, 5030485378, 10060970756, 20121941512]

約数ペア:

[(1, 20121941512), (2, 10060970756), (4, 5030485378), (8, 2515242689), (97, 207442696), (109, 184604968), (194, 103721348), (218, 92302484), (233, 86360264), (388, 51860674), (436, 46151242), (466, 43180132), (776, 25930337), (872, 23075621), (932, 21590066), (1021, 19708072), (1864, 10795033), (2042, 9854036), (4084, 4927018), (8168, 2463509), (10573, 1903144), (21146, 951572), (22601, 890312), (25397, 792296), (42292, 475786), (45202, 445156), (50794, 396148), (84584, 237893), (90404, 222578), (99037, 203176), (101588, 198074), (111289, 180808)]