20608875

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{2617}}^1$

素因数の和:2645

約数の個数: 48

約数和(自身を含む): 42474432

約数和(自身を除く): 21865557

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 875, 1125, 1575, 2617, 2625, 7851, 7875, 13085, 18319, 23553, 39255, 54957, 65425, 91595, 117765, 164871, 196275, 274785, 327125, 457975, 588825, 824355, 981375, 1373925, 2289875, 2944125, 4121775, 6869625, 20608875]

約数ペア:

[(1, 20608875), (3, 6869625), (5, 4121775), (7, 2944125), (9, 2289875), (15, 1373925), (21, 981375), (25, 824355), (35, 588825), (45, 457975), (63, 327125), (75, 274785), (105, 196275), (125, 164871), (175, 117765), (225, 91595), (315, 65425), (375, 54957), (525, 39255), (875, 23553), (1125, 18319), (1575, 13085), (2617, 7875), (2625, 7851)]