20849127

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 31073280

約数和(自身を除く): 10224153

約数列:

[1, 3, 13, 39, 67, 79, 101, 201, 237, 303, 871, 1027, 1313, 2613, 3081, 3939, 5293, 6767, 7979, 15879, 20301, 23937, 68809, 87971, 103727, 206427, 263913, 311181, 534593, 1603779, 6949709, 20849127]

約数ペア:

[(1, 20849127), (3, 6949709), (13, 1603779), (39, 534593), (67, 311181), (79, 263913), (101, 206427), (201, 103727), (237, 87971), (303, 68809), (871, 23937), (1027, 20301), (1313, 15879), (2613, 7979), (3081, 6767), (3939, 5293)]