20162957521

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{74857}}^1$

素因数の和:75133

約数の個数: 24

約数和(自身を含む): 24577378560

約数和(自身を除く): 4414421039

約数列:

[1, 7, 23, 49, 161, 239, 1127, 1673, 5497, 11711, 38479, 74857, 269353, 523999, 1721711, 3667993, 12051977, 17890823, 84363839, 125235761, 411488929, 876650327, 2880422503, 20162957521]

約数ペア:

[(1, 20162957521), (7, 2880422503), (23, 876650327), (49, 411488929), (161, 125235761), (239, 84363839), (1127, 17890823), (1673, 12051977), (5497, 3667993), (11711, 1721711), (38479, 523999), (74857, 269353)]