20664786

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{461}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 42932736

約数和(自身を除く): 22267950

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 241, 461, 482, 723, 922, 1383, 1446, 2766, 7471, 14291, 14942, 22413, 28582, 42873, 44826, 85746, 111101, 222202, 333303, 666606, 3444131, 6888262, 10332393, 20664786]

約数ペア:

[(1, 20664786), (2, 10332393), (3, 6888262), (6, 3444131), (31, 666606), (62, 333303), (93, 222202), (186, 111101), (241, 85746), (461, 44826), (482, 42873), (723, 28582), (922, 22413), (1383, 14942), (1446, 14291), (2766, 7471)]