20888128

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{8821}}^1$

素因数の和:8870

約数の個数: 28

約数和(自身を含む): 42574972

約数和(自身を除く): 21686844

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 296, 592, 1184, 2368, 8821, 17642, 35284, 70568, 141136, 282272, 326377, 564544, 652754, 1305508, 2611016, 5222032, 10444064, 20888128]

約数ペア:

[(1, 20888128), (2, 10444064), (4, 5222032), (8, 2611016), (16, 1305508), (32, 652754), (37, 564544), (64, 326377), (74, 282272), (148, 141136), (296, 70568), (592, 35284), (1184, 17642), (2368, 8821)]