20649238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6547}}^1$

素因数の和:6651

約数の個数: 16

約数和(自身を含む): 33001920

約数和(自身を除く): 12352682

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 6547, 13094, 124393, 248786, 543401, 1086802, 10324619, 20649238]

約数ペア:

[(1, 20649238), (2, 10324619), (19, 1086802), (38, 543401), (83, 248786), (166, 124393), (1577, 13094), (3154, 6547)]