20733265

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 29804544

約数和(自身を除く): 9071279

約数列:

[1, 5, 7, 31, 35, 97, 155, 197, 217, 485, 679, 985, 1085, 1379, 3007, 3395, 6107, 6895, 15035, 19109, 21049, 30535, 42749, 95545, 105245, 133763, 213745, 592379, 668815, 2961895, 4146653, 20733265]

約数ペア:

[(1, 20733265), (5, 4146653), (7, 2961895), (31, 668815), (35, 592379), (97, 213745), (155, 133763), (197, 105245), (217, 95545), (485, 42749), (679, 30535), (985, 21049), (1085, 19109), (1379, 15035), (3007, 6895), (3395, 6107)]