20040704

素因数分解:

$2^{10}\times {\mathrm{19571}}^1$

素因数の和:19591

約数の個数: 22

約数和(自身を含む): 40063884

約数和(自身を除く): 20023180

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 19571, 39142, 78284, 156568, 313136, 626272, 1252544, 2505088, 5010176, 10020352, 20040704]

約数ペア:

[(1, 20040704), (2, 10020352), (4, 5010176), (8, 2505088), (16, 1252544), (32, 626272), (64, 313136), (128, 156568), (256, 78284), (512, 39142), (1024, 19571)]