20223180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 61715472

約数和(自身を除く): 41492292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 397, 566, 794, 849, 1132, 1191, 1415, 1588, 1698, 1985, 2382, 2547, 2830, 3396, 3573, 3970, 4245, 4764, 5094, 5660, 5955, 7146, 7940, 8490, 10188, 11910, 12735, 14292, 16980, 17865, 23820, 25470, 35730, 50940, 71460, 112351, 224702, 337053, 449404, 561755, 674106, 1011159, 1123510, 1348212, 1685265, 2022318, 2247020, 3370530, 4044636, 5055795, 6741060, 10111590, 20223180]

約数ペア:

[(1, 20223180), (2, 10111590), (3, 6741060), (4, 5055795), (5, 4044636), (6, 3370530), (9, 2247020), (10, 2022318), (12, 1685265), (15, 1348212), (18, 1123510), (20, 1011159), (30, 674106), (36, 561755), (45, 449404), (60, 337053), (90, 224702), (180, 112351), (283, 71460), (397, 50940), (566, 35730), (794, 25470), (849, 23820), (1132, 17865), (1191, 16980), (1415, 14292), (1588, 12735), (1698, 11910), (1985, 10188), (2382, 8490), (2547, 7940), (2830, 7146), (3396, 5955), (3573, 5660), (3970, 5094), (4245, 4764)]