20560965

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 34926336

約数和(自身を除く): 14365371

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 305, 345, 915, 977, 1403, 2931, 4209, 4885, 7015, 14655, 21045, 22471, 59597, 67413, 112355, 178791, 297985, 337065, 893955, 1370731, 4112193, 6853655, 20560965]

約数ペア:

[(1, 20560965), (3, 6853655), (5, 4112193), (15, 1370731), (23, 893955), (61, 337065), (69, 297985), (115, 178791), (183, 112355), (305, 67413), (345, 59597), (915, 22471), (977, 21045), (1403, 14655), (2931, 7015), (4209, 4885)]