20511331376

素因数分解:

$2^4\times {\mathrm{227}}^1\times {\mathrm{431}}^1\times {\mathrm{13103}}^1$

素因数の和:13769

約数の個数: 40

約数和(自身を含む): 40011439104

約数和(自身を除く): 19500107728

約数列:

[1, 2, 4, 8, 16, 227, 431, 454, 862, 908, 1724, 1816, 3448, 3632, 6896, 13103, 26206, 52412, 97837, 104824, 195674, 209648, 391348, 782696, 1565392, 2974381, 5647393, 5948762, 11294786, 11897524, 22589572, 23795048, 45179144, 47590096, 90358288, 1281958211, 2563916422, 5127832844, 10255665688, 20511331376]

約数ペア:

[(1, 20511331376), (2, 10255665688), (4, 5127832844), (8, 2563916422), (16, 1281958211), (227, 90358288), (431, 47590096), (454, 45179144), (862, 23795048), (908, 22589572), (1724, 11897524), (1816, 11294786), (3448, 5948762), (3632, 5647393), (6896, 2974381), (13103, 1565392), (26206, 782696), (52412, 391348), (97837, 209648), (104824, 195674)]