20645535

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 35297280

約数和(自身を除く): 14651745

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 1531, 2697, 4495, 4593, 7655, 13485, 22965, 44399, 47461, 133197, 142383, 221995, 237305, 665985, 711915, 1376369, 4129107, 6881845, 20645535]

約数ペア:

[(1, 20645535), (3, 6881845), (5, 4129107), (15, 1376369), (29, 711915), (31, 665985), (87, 237305), (93, 221995), (145, 142383), (155, 133197), (435, 47461), (465, 44399), (899, 22965), (1531, 13485), (2697, 7655), (4495, 4593)]