20949240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1033}}^1$

素因数の和:1073

約数の個数: 96

約数和(自身を含む): 68119920

約数和(自身を除く): 47170680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1033, 1352, 1560, 1690, 2028, 2066, 2535, 3099, 3380, 4056, 4132, 5070, 5165, 6198, 6760, 8264, 10140, 10330, 12396, 13429, 15495, 20280, 20660, 24792, 26858, 30990, 40287, 41320, 53716, 61980, 67145, 80574, 107432, 123960, 134290, 161148, 174577, 201435, 268580, 322296, 349154, 402870, 523731, 537160, 698308, 805740, 872885, 1047462, 1396616, 1611480, 1745770, 2094924, 2618655, 3491540, 4189848, 5237310, 6983080, 10474620, 20949240]

約数ペア:

[(1, 20949240), (2, 10474620), (3, 6983080), (4, 5237310), (5, 4189848), (6, 3491540), (8, 2618655), (10, 2094924), (12, 1745770), (13, 1611480), (15, 1396616), (20, 1047462), (24, 872885), (26, 805740), (30, 698308), (39, 537160), (40, 523731), (52, 402870), (60, 349154), (65, 322296), (78, 268580), (104, 201435), (120, 174577), (130, 161148), (156, 134290), (169, 123960), (195, 107432), (260, 80574), (312, 67145), (338, 61980), (390, 53716), (507, 41320), (520, 40287), (676, 30990), (780, 26858), (845, 24792), (1014, 20660), (1033, 20280), (1352, 15495), (1560, 13429), (1690, 12396), (2028, 10330), (2066, 10140), (2535, 8264), (3099, 6760), (3380, 6198), (4056, 5165), (4132, 5070)]