20851080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3697}}^1$

素因数の和:3758

約数の個数: 64

約数和(自身を含む): 63901440

約数和(自身を除く): 43050360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3697, 5640, 7394, 11091, 14788, 18485, 22182, 29576, 36970, 44364, 55455, 73940, 88728, 110910, 147880, 173759, 221820, 347518, 443640, 521277, 695036, 868795, 1042554, 1390072, 1737590, 2085108, 2606385, 3475180, 4170216, 5212770, 6950360, 10425540, 20851080]

約数ペア:

[(1, 20851080), (2, 10425540), (3, 6950360), (4, 5212770), (5, 4170216), (6, 3475180), (8, 2606385), (10, 2085108), (12, 1737590), (15, 1390072), (20, 1042554), (24, 868795), (30, 695036), (40, 521277), (47, 443640), (60, 347518), (94, 221820), (120, 173759), (141, 147880), (188, 110910), (235, 88728), (282, 73940), (376, 55455), (470, 44364), (564, 36970), (705, 29576), (940, 22182), (1128, 18485), (1410, 14788), (1880, 11091), (2820, 7394), (3697, 5640)]