20082705

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 12991215

約数列:

[1, 3, 5, 15, 71, 109, 173, 213, 327, 355, 519, 545, 865, 1065, 1635, 2595, 7739, 12283, 18857, 23217, 36849, 38695, 56571, 61415, 94285, 116085, 184245, 282855, 1338847, 4016541, 6694235, 20082705]

約数ペア:

[(1, 20082705), (3, 6694235), (5, 4016541), (15, 1338847), (71, 282855), (109, 184245), (173, 116085), (213, 94285), (327, 61415), (355, 56571), (519, 38695), (545, 36849), (865, 23217), (1065, 18857), (1635, 12283), (2595, 7739)]