20196749640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{294757}}^1$

素因数の和:295342

約数の個数: 64

約数和(自身を含む): 60696567360

約数和(自身を除く): 40499817720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 571, 1142, 1713, 2284, 2855, 3426, 4568, 5710, 6852, 8565, 11420, 13704, 17130, 22840, 34260, 68520, 294757, 589514, 884271, 1179028, 1473785, 1768542, 2358056, 2947570, 3537084, 4421355, 5895140, 7074168, 8842710, 11790280, 17685420, 35370840, 168306247, 336612494, 504918741, 673224988, 841531235, 1009837482, 1346449976, 1683062470, 2019674964, 2524593705, 3366124940, 4039349928, 5049187410, 6732249880, 10098374820, 20196749640]

約数ペア:

[(1, 20196749640), (2, 10098374820), (3, 6732249880), (4, 5049187410), (5, 4039349928), (6, 3366124940), (8, 2524593705), (10, 2019674964), (12, 1683062470), (15, 1346449976), (20, 1009837482), (24, 841531235), (30, 673224988), (40, 504918741), (60, 336612494), (120, 168306247), (571, 35370840), (1142, 17685420), (1713, 11790280), (2284, 8842710), (2855, 7074168), (3426, 5895140), (4568, 4421355), (5710, 3537084), (6852, 2947570), (8565, 2358056), (11420, 1768542), (13704, 1473785), (17130, 1179028), (22840, 884271), (34260, 589514), (68520, 294757)]