20224940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 44151744

約数和(自身を除く): 23926804

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 151, 181, 185, 302, 362, 370, 604, 724, 740, 755, 905, 1510, 1810, 3020, 3620, 5587, 6697, 11174, 13394, 22348, 26788, 27331, 27935, 33485, 54662, 55870, 66970, 109324, 111740, 133940, 136655, 273310, 546620, 1011247, 2022494, 4044988, 5056235, 10112470, 20224940]

約数ペア:

[(1, 20224940), (2, 10112470), (4, 5056235), (5, 4044988), (10, 2022494), (20, 1011247), (37, 546620), (74, 273310), (148, 136655), (151, 133940), (181, 111740), (185, 109324), (302, 66970), (362, 55870), (370, 54662), (604, 33485), (724, 27935), (740, 27331), (755, 26788), (905, 22348), (1510, 13394), (1810, 11174), (3020, 6697), (3620, 5587)]