20750460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4871}}^1$

素因数の和:4954

約数の個数: 48

約数和(自身を含む): 58931712

約数和(自身を除く): 38181252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4871, 9742, 14613, 19484, 24355, 29226, 48710, 58452, 73065, 97420, 146130, 292260, 345841, 691682, 1037523, 1383364, 1729205, 2075046, 3458410, 4150092, 5187615, 6916820, 10375230, 20750460]

約数ペア:

[(1, 20750460), (2, 10375230), (3, 6916820), (4, 5187615), (5, 4150092), (6, 3458410), (10, 2075046), (12, 1729205), (15, 1383364), (20, 1037523), (30, 691682), (60, 345841), (71, 292260), (142, 146130), (213, 97420), (284, 73065), (355, 58452), (426, 48710), (710, 29226), (852, 24355), (1065, 19484), (1420, 14613), (2130, 9742), (4260, 4871)]