20670440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73823}}^1$

素因数の和:73841

約数の個数: 32

約数和(自身を含む): 53153280

約数和(自身を除く): 32482840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73823, 147646, 295292, 369115, 516761, 590584, 738230, 1033522, 1476460, 2067044, 2583805, 2952920, 4134088, 5167610, 10335220, 20670440]

約数ペア:

[(1, 20670440), (2, 10335220), (4, 5167610), (5, 4134088), (7, 2952920), (8, 2583805), (10, 2067044), (14, 1476460), (20, 1033522), (28, 738230), (35, 590584), (40, 516761), (56, 369115), (70, 295292), (140, 147646), (280, 73823)]