20430586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 36169920

約数和(自身を除く): 15739334

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 209, 407, 418, 703, 814, 1321, 1406, 2642, 7733, 14531, 15466, 25099, 29062, 48877, 50198, 97754, 276089, 537647, 552178, 928663, 1075294, 1857326, 10215293, 20430586]

約数ペア:

[(1, 20430586), (2, 10215293), (11, 1857326), (19, 1075294), (22, 928663), (37, 552178), (38, 537647), (74, 276089), (209, 97754), (407, 50198), (418, 48877), (703, 29062), (814, 25099), (1321, 15466), (1406, 14531), (2642, 7733)]