20245190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9973}}^1$

素因数の和:10016

約数の個数: 32

約数和(自身を含む): 43087680

約数和(自身を除く): 22842490

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9973, 19946, 49865, 69811, 99730, 139622, 289217, 349055, 578434, 698110, 1446085, 2024519, 2892170, 4049038, 10122595, 20245190]

約数ペア:

[(1, 20245190), (2, 10122595), (5, 4049038), (7, 2892170), (10, 2024519), (14, 1446085), (29, 698110), (35, 578434), (58, 349055), (70, 289217), (145, 139622), (203, 99730), (290, 69811), (406, 49865), (1015, 19946), (2030, 9973)]