20464535

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1097}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 30989952

約数和(自身を除く): 10525417

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 1097, 1435, 2665, 3731, 5485, 7679, 14261, 18655, 38395, 44977, 71305, 99827, 224885, 314839, 499135, 584701, 1574195, 2923505, 4092907, 20464535]

約数ペア:

[(1, 20464535), (5, 4092907), (7, 2923505), (13, 1574195), (35, 584701), (41, 499135), (65, 314839), (91, 224885), (205, 99827), (287, 71305), (455, 44977), (533, 38395), (1097, 18655), (1435, 14261), (2665, 7679), (3731, 5485)]