20175498005

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{6959}}^1$

素因数の和:7110

約数の個数: 48

約数和(自身を含む): 27144668160

約数和(自身を除く): 6969170155

約数列:

[1, 5, 13, 47, 65, 73, 169, 235, 365, 611, 845, 949, 3055, 3431, 4745, 6959, 7943, 12337, 17155, 34795, 39715, 44603, 61685, 90467, 223015, 327073, 452335, 508007, 579839, 1176071, 1635365, 2540035, 2899195, 4251949, 5880355, 6604091, 21259745, 23876329, 33020455, 55275337, 85853183, 119381645, 276376685, 310392277, 429265915, 1551961385, 4035099601, 20175498005]

約数ペア:

[(1, 20175498005), (5, 4035099601), (13, 1551961385), (47, 429265915), (65, 310392277), (73, 276376685), (169, 119381645), (235, 85853183), (365, 55275337), (611, 33020455), (845, 23876329), (949, 21259745), (3055, 6604091), (3431, 5880355), (4745, 4251949), (6959, 2899195), (7943, 2540035), (12337, 1635365), (17155, 1176071), (34795, 579839), (39715, 508007), (44603, 452335), (61685, 327073), (90467, 223015)]