20016750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2053}}^1$

素因数の和:2086

約数の個数: 64

約数和(自身を含む): 53831232

約数和(自身を除く): 33814482

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 2053, 3250, 4106, 4875, 6159, 9750, 10265, 12318, 20530, 26689, 30795, 51325, 53378, 61590, 80067, 102650, 133445, 153975, 160134, 256625, 266890, 307950, 400335, 513250, 667225, 769875, 800670, 1334450, 1539750, 2001675, 3336125, 4003350, 6672250, 10008375, 20016750]

約数ペア:

[(1, 20016750), (2, 10008375), (3, 6672250), (5, 4003350), (6, 3336125), (10, 2001675), (13, 1539750), (15, 1334450), (25, 800670), (26, 769875), (30, 667225), (39, 513250), (50, 400335), (65, 307950), (75, 266890), (78, 256625), (125, 160134), (130, 153975), (150, 133445), (195, 102650), (250, 80067), (325, 61590), (375, 53378), (390, 51325), (650, 30795), (750, 26689), (975, 20530), (1625, 12318), (1950, 10265), (2053, 9750), (3250, 6159), (4106, 4875)]