20421536

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12041}}^1$

素因数の和:12104

約数の個数: 24

約数和(自身を含む): 40966884

約数和(自身を除く): 20545348

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12041, 24082, 48164, 96328, 192656, 385312, 638173, 1276346, 2552692, 5105384, 10210768, 20421536]

約数ペア:

[(1, 20421536), (2, 10210768), (4, 5105384), (8, 2552692), (16, 1276346), (32, 638173), (53, 385312), (106, 192656), (212, 96328), (424, 48164), (848, 24082), (1696, 12041)]