20658770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1723}}^1$

素因数の和:1850

約数の個数: 32

約数和(自身を含む): 40962240

約数和(自身を除く): 20303470

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 1090, 1199, 1723, 2398, 3446, 5995, 8615, 11990, 17230, 18953, 37906, 94765, 187807, 189530, 375614, 939035, 1878070, 2065877, 4131754, 10329385, 20658770]

約数ペア:

[(1, 20658770), (2, 10329385), (5, 4131754), (10, 2065877), (11, 1878070), (22, 939035), (55, 375614), (109, 189530), (110, 187807), (218, 94765), (545, 37906), (1090, 18953), (1199, 17230), (1723, 11990), (2398, 8615), (3446, 5995)]