20221075

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1012

約数の個数: 36

約数和(自身を含む): 30915432

約数和(自身を除く): 10694357

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 425, 595, 833, 971, 1225, 2975, 4165, 4855, 6797, 16507, 20825, 24275, 33985, 47579, 82535, 115549, 169925, 237895, 412675, 577745, 808843, 1189475, 2888725, 4044215, 20221075]

約数ペア:

[(1, 20221075), (5, 4044215), (7, 2888725), (17, 1189475), (25, 808843), (35, 577745), (49, 412675), (85, 237895), (119, 169925), (175, 115549), (245, 82535), (425, 47579), (595, 33985), (833, 24275), (971, 20825), (1225, 16507), (2975, 6797), (4165, 4855)]