15684020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6481}}^1$

素因数の和:6512

約数の個数: 36

約数和(自身を含む): 36208452

約数和(自身を除く): 20524432

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 6481, 12962, 25924, 32405, 64810, 71291, 129620, 142582, 285164, 356455, 712910, 784201, 1425820, 1568402, 3136804, 3921005, 7842010, 15684020]

約数ペア:

[(1, 15684020), (2, 7842010), (4, 3921005), (5, 3136804), (10, 1568402), (11, 1425820), (20, 784201), (22, 712910), (44, 356455), (55, 285164), (110, 142582), (121, 129620), (220, 71291), (242, 64810), (484, 32405), (605, 25924), (1210, 12962), (2420, 6481)]