20563564

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 23562644

約数列:

[1, 2, 4, 7, 14, 23, 28, 37, 46, 74, 92, 148, 161, 259, 322, 518, 644, 851, 863, 1036, 1702, 1726, 3404, 3452, 5957, 6041, 11914, 12082, 19849, 23828, 24164, 31931, 39698, 63862, 79396, 127724, 138943, 223517, 277886, 447034, 555772, 734413, 894068, 1468826, 2937652, 5140891, 10281782, 20563564]

約数ペア:

[(1, 20563564), (2, 10281782), (4, 5140891), (7, 2937652), (14, 1468826), (23, 894068), (28, 734413), (37, 555772), (46, 447034), (74, 277886), (92, 223517), (148, 138943), (161, 127724), (259, 79396), (322, 63862), (518, 39698), (644, 31931), (851, 24164), (863, 23828), (1036, 19849), (1702, 12082), (1726, 11914), (3404, 6041), (3452, 5957)]