20133036875

素因数分解:

$5^4\times 7^1\times {\mathrm{1993}}^1\times {\mathrm{2309}}^1$

素因数の和:4329

約数の個数: 40

約数和(自身を含む): 28779162720

約数和(自身を除く): 8646125845

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 1993, 2309, 4375, 9965, 11545, 13951, 16163, 49825, 57725, 69755, 80815, 249125, 288625, 348775, 404075, 1245625, 1443125, 1743875, 2020375, 4601837, 8719375, 10101875, 23009185, 32212859, 115045925, 161064295, 575229625, 805321475, 2876148125, 4026607375, 20133036875]

約数ペア:

[(1, 20133036875), (5, 4026607375), (7, 2876148125), (25, 805321475), (35, 575229625), (125, 161064295), (175, 115045925), (625, 32212859), (875, 23009185), (1993, 10101875), (2309, 8719375), (4375, 4601837), (9965, 2020375), (11545, 1743875), (13951, 1443125), (16163, 1245625), (49825, 404075), (57725, 348775), (69755, 288625), (80815, 249125)]