20084550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:793

約数の個数: 48

約数和(自身を含む): 50099472

約数和(自身を除く): 30014922

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 257, 514, 521, 771, 1042, 1285, 1542, 1563, 2570, 2605, 3126, 3855, 5210, 6425, 7710, 7815, 12850, 13025, 15630, 19275, 26050, 38550, 39075, 78150, 133897, 267794, 401691, 669485, 803382, 1338970, 2008455, 3347425, 4016910, 6694850, 10042275, 20084550]

約数ペア:

[(1, 20084550), (2, 10042275), (3, 6694850), (5, 4016910), (6, 3347425), (10, 2008455), (15, 1338970), (25, 803382), (30, 669485), (50, 401691), (75, 267794), (150, 133897), (257, 78150), (514, 39075), (521, 38550), (771, 26050), (1042, 19275), (1285, 15630), (1542, 13025), (1563, 12850), (2570, 7815), (2605, 7710), (3126, 6425), (3855, 5210)]