20849940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38611}}^1$

素因数の和:38629

約数の個数: 48

約数和(自身を含む): 64868160

約数和(自身を除く): 44018220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38611, 77222, 115833, 154444, 193055, 231666, 347499, 386110, 463332, 579165, 694998, 772220, 1042497, 1158330, 1389996, 1737495, 2084994, 2316660, 3474990, 4169988, 5212485, 6949980, 10424970, 20849940]

約数ペア:

[(1, 20849940), (2, 10424970), (3, 6949980), (4, 5212485), (5, 4169988), (6, 3474990), (9, 2316660), (10, 2084994), (12, 1737495), (15, 1389996), (18, 1158330), (20, 1042497), (27, 772220), (30, 694998), (36, 579165), (45, 463332), (54, 386110), (60, 347499), (90, 231666), (108, 193055), (135, 154444), (180, 115833), (270, 77222), (540, 38611)]