20841135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2719}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 38645760

約数和(自身を除く): 17804625

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 365, 511, 1095, 1533, 2555, 2719, 7665, 8157, 13595, 19033, 40785, 57099, 95165, 198487, 285495, 595461, 992435, 1389409, 2977305, 4168227, 6947045, 20841135]

約数ペア:

[(1, 20841135), (3, 6947045), (5, 4168227), (7, 2977305), (15, 1389409), (21, 992435), (35, 595461), (73, 285495), (105, 198487), (219, 95165), (365, 57099), (511, 40785), (1095, 19033), (1533, 13595), (2555, 8157), (2719, 7665)]