20465974818

素因数分解:

$2^1\times 3^2\times {\mathrm{509}}^1\times {\mathrm{541}}^1\times {\mathrm{4129}}^1$

素因数の和:5187

約数の個数: 48

約数和(自身を含む): 44522969400

約数和(自身を除く): 24056994582

約数列:

[1, 2, 3, 6, 9, 18, 509, 541, 1018, 1082, 1527, 1623, 3054, 3246, 4129, 4581, 4869, 8258, 9162, 9738, 12387, 24774, 37161, 74322, 275369, 550738, 826107, 1652214, 2101661, 2233789, 2478321, 4203322, 4467578, 4956642, 6304983, 6701367, 12609966, 13402734, 18914949, 20104101, 37829898, 40208202, 1136998601, 2273997202, 3410995803, 6821991606, 10232987409, 20465974818]

約数ペア:

[(1, 20465974818), (2, 10232987409), (3, 6821991606), (6, 3410995803), (9, 2273997202), (18, 1136998601), (509, 40208202), (541, 37829898), (1018, 20104101), (1082, 18914949), (1527, 13402734), (1623, 12609966), (3054, 6701367), (3246, 6304983), (4129, 4956642), (4581, 4467578), (4869, 4203322), (8258, 2478321), (9162, 2233789), (9738, 2101661), (12387, 1652214), (24774, 826107), (37161, 550738), (74322, 275369)]