20403913622

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{521}}^1\times {\mathrm{2621}}^1$

素因数の和:3416

約数の個数: 32

約数和(自身を含む): 31797266688

約数和(自身を除く): 11393353066

約数列:

[1, 2, 31, 62, 241, 482, 521, 1042, 2621, 5242, 7471, 14942, 16151, 32302, 81251, 125561, 162502, 251122, 631661, 1263322, 1365541, 2731082, 3892391, 7784782, 19581491, 39162982, 42331771, 84663542, 329095381, 658190762, 10201956811, 20403913622]

約数ペア:

[(1, 20403913622), (2, 10201956811), (31, 658190762), (62, 329095381), (241, 84663542), (482, 42331771), (521, 39162982), (1042, 19581491), (2621, 7784782), (5242, 3892391), (7471, 2731082), (14942, 1365541), (16151, 1263322), (32302, 631661), (81251, 251122), (125561, 162502)]