20301420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4283}}^1$

素因数の和:4374

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 37275540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4283, 4740, 8566, 12849, 17132, 21415, 25698, 42830, 51396, 64245, 85660, 128490, 256980, 338357, 676714, 1015071, 1353428, 1691785, 2030142, 3383570, 4060284, 5075355, 6767140, 10150710, 20301420]

約数ペア:

[(1, 20301420), (2, 10150710), (3, 6767140), (4, 5075355), (5, 4060284), (6, 3383570), (10, 2030142), (12, 1691785), (15, 1353428), (20, 1015071), (30, 676714), (60, 338357), (79, 256980), (158, 128490), (237, 85660), (316, 64245), (395, 51396), (474, 42830), (790, 25698), (948, 21415), (1185, 17132), (1580, 12849), (2370, 8566), (4283, 4740)]