12245620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19751}}^1$

素因数の和:19791

約数の個数: 24

約数和(自身を含む): 26546688

約数和(自身を除く): 14301068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 19751, 39502, 79004, 98755, 197510, 395020, 612281, 1224562, 2449124, 3061405, 6122810, 12245620]

約数ペア:

[(1, 12245620), (2, 6122810), (4, 3061405), (5, 2449124), (10, 1224562), (20, 612281), (31, 395020), (62, 197510), (124, 98755), (155, 79004), (310, 39502), (620, 19751)]