20528020671

素因数分解:

$3^1\times {\mathrm{41}}^2\times {\mathrm{317}}^1\times {\mathrm{12841}}^1$

素因数の和:13243

約数の個数: 24

約数和(自身を含む): 28145246352

約数和(自身を除く): 7617225681

約数列:

[1, 3, 41, 123, 317, 951, 1681, 5043, 12841, 12997, 38523, 38991, 526481, 532877, 1579443, 1598631, 4070597, 12211791, 21585721, 64757163, 166894477, 500683431, 6842673557, 20528020671]

約数ペア:

[(1, 20528020671), (3, 6842673557), (41, 500683431), (123, 166894477), (317, 64757163), (951, 21585721), (1681, 12211791), (5043, 4070597), (12841, 1598631), (12997, 1579443), (38523, 532877), (38991, 526481)]