19928260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90583}}^1$

素因数の和:90603

約数の個数: 24

約数和(自身を含む): 45654336

約数和(自身を除く): 25726076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 90583, 181166, 362332, 452915, 905830, 996413, 1811660, 1992826, 3985652, 4982065, 9964130, 19928260]

約数ペア:

[(1, 19928260), (2, 9964130), (4, 4982065), (5, 3985652), (10, 1992826), (11, 1811660), (20, 996413), (22, 905830), (44, 452915), (55, 362332), (110, 181166), (220, 90583)]