20105070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9439}}^1$

素因数の和:9520

約数の個数: 32

約数和(自身を含む): 48936960

約数和(自身を除く): 28831890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9439, 18878, 28317, 47195, 56634, 94390, 141585, 283170, 670169, 1340338, 2010507, 3350845, 4021014, 6701690, 10052535, 20105070]

約数ペア:

[(1, 20105070), (2, 10052535), (3, 6701690), (5, 4021014), (6, 3350845), (10, 2010507), (15, 1340338), (30, 670169), (71, 283170), (142, 141585), (213, 94390), (355, 56634), (426, 47195), (710, 28317), (1065, 18878), (2130, 9439)]