20037440

素因数分解:

$2^6\times 5^1\times {\mathrm{62617}}^1$

素因数の和:62634

約数の個数: 28

約数和(自身を含む): 47714916

約数和(自身を除く): 27677476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62617, 125234, 250468, 313085, 500936, 626170, 1001872, 1252340, 2003744, 2504680, 4007488, 5009360, 10018720, 20037440]

約数ペア:

[(1, 20037440), (2, 10018720), (4, 5009360), (5, 4007488), (8, 2504680), (10, 2003744), (16, 1252340), (20, 1001872), (32, 626170), (40, 500936), (64, 313085), (80, 250468), (160, 125234), (320, 62617)]