20199291960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2130727}}^1$

素因数の和:2130820

約数の個数: 64

約数和(自身を含む): 61364966400

約数和(自身を除く): 41165674440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 2130727, 4261454, 6392181, 8522908, 10653635, 12784362, 17045816, 21307270, 25568724, 31960905, 42614540, 51137448, 63921810, 85229080, 127843620, 168327433, 255687240, 336654866, 504982299, 673309732, 841637165, 1009964598, 1346619464, 1683274330, 2019929196, 2524911495, 3366548660, 4039858392, 5049822990, 6733097320, 10099645980, 20199291960]

約数ペア:

[(1, 20199291960), (2, 10099645980), (3, 6733097320), (4, 5049822990), (5, 4039858392), (6, 3366548660), (8, 2524911495), (10, 2019929196), (12, 1683274330), (15, 1346619464), (20, 1009964598), (24, 841637165), (30, 673309732), (40, 504982299), (60, 336654866), (79, 255687240), (120, 168327433), (158, 127843620), (237, 85229080), (316, 63921810), (395, 51137448), (474, 42614540), (632, 31960905), (790, 25568724), (948, 21307270), (1185, 17045816), (1580, 12784362), (1896, 10653635), (2370, 8522908), (3160, 6392181), (4740, 4261454), (9480, 2130727)]