20877750

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{1031}}^1$

素因数の和:1060

約数の個数: 80

約数和(自身を含む): 58440096

約数和(自身を除く): 37562346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 250, 270, 375, 405, 450, 675, 750, 810, 1031, 1125, 1350, 2025, 2062, 2250, 3093, 3375, 4050, 5155, 6186, 6750, 9279, 10125, 10310, 15465, 18558, 20250, 25775, 27837, 30930, 46395, 51550, 55674, 77325, 83511, 92790, 128875, 139185, 154650, 167022, 231975, 257750, 278370, 386625, 417555, 463950, 695925, 773250, 835110, 1159875, 1391850, 2087775, 2319750, 3479625, 4175550, 6959250, 10438875, 20877750]

約数ペア:

[(1, 20877750), (2, 10438875), (3, 6959250), (5, 4175550), (6, 3479625), (9, 2319750), (10, 2087775), (15, 1391850), (18, 1159875), (25, 835110), (27, 773250), (30, 695925), (45, 463950), (50, 417555), (54, 386625), (75, 278370), (81, 257750), (90, 231975), (125, 167022), (135, 154650), (150, 139185), (162, 128875), (225, 92790), (250, 83511), (270, 77325), (375, 55674), (405, 51550), (450, 46395), (675, 30930), (750, 27837), (810, 25775), (1031, 20250), (1125, 18558), (1350, 15465), (2025, 10310), (2062, 10125), (2250, 9279), (3093, 6750), (3375, 6186), (4050, 5155)]