20732296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1223}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 42154560

約数和(自身を除く): 21422264

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 163, 326, 652, 1223, 1304, 2119, 2446, 4238, 4892, 8476, 9784, 15899, 16952, 31798, 63596, 127192, 199349, 398698, 797396, 1594792, 2591537, 5183074, 10366148, 20732296]

約数ペア:

[(1, 20732296), (2, 10366148), (4, 5183074), (8, 2591537), (13, 1594792), (26, 797396), (52, 398698), (104, 199349), (163, 127192), (326, 63596), (652, 31798), (1223, 16952), (1304, 15899), (2119, 9784), (2446, 8476), (4238, 4892)]