20258430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9511}}^1$

素因数の和:9592

約数の個数: 32

約数和(自身を含む): 49310208

約数和(自身を除く): 29051778

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9511, 19022, 28533, 47555, 57066, 95110, 142665, 285330, 675281, 1350562, 2025843, 3376405, 4051686, 6752810, 10129215, 20258430]

約数ペア:

[(1, 20258430), (2, 10129215), (3, 6752810), (5, 4051686), (6, 3376405), (10, 2025843), (15, 1350562), (30, 675281), (71, 285330), (142, 142665), (213, 95110), (355, 57066), (426, 47555), (710, 28533), (1065, 19022), (2130, 9511)]