20768295

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{757}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 34928640

約数和(自身を除く): 14160345

約数列:

[1, 3, 5, 15, 31, 59, 93, 155, 177, 295, 465, 757, 885, 1829, 2271, 3785, 5487, 9145, 11355, 23467, 27435, 44663, 70401, 117335, 133989, 223315, 352005, 669945, 1384553, 4153659, 6922765, 20768295]

約数ペア:

[(1, 20768295), (3, 6922765), (5, 4153659), (15, 1384553), (31, 669945), (59, 352005), (93, 223315), (155, 133989), (177, 117335), (295, 70401), (465, 44663), (757, 27435), (885, 23467), (1829, 11355), (2271, 9145), (3785, 5487)]