20123808435

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10399901}}^1$

素因数の和:10399955

約数の個数: 24

約数和(自身を含む): 35692463664

約数和(自身を除く): 15568655229

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10399901, 31199703, 51999505, 93599109, 155998515, 447195743, 467995545, 1341587229, 2235978715, 4024761687, 6707936145, 20123808435]

約数ペア:

[(1, 20123808435), (3, 6707936145), (5, 4024761687), (9, 2235978715), (15, 1341587229), (43, 467995545), (45, 447195743), (129, 155998515), (215, 93599109), (387, 51999505), (645, 31199703), (1935, 10399901)]