20156190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9463}}^1$

素因数の和:9544

約数の個数: 32

約数和(自身を含む): 49061376

約数和(自身を除く): 28905186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9463, 18926, 28389, 47315, 56778, 94630, 141945, 283890, 671873, 1343746, 2015619, 3359365, 4031238, 6718730, 10078095, 20156190]

約数ペア:

[(1, 20156190), (2, 10078095), (3, 6718730), (5, 4031238), (6, 3359365), (10, 2015619), (15, 1343746), (30, 671873), (71, 283890), (142, 141945), (213, 94630), (355, 56778), (426, 47315), (710, 28389), (1065, 18926), (2130, 9463)]