20391292

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4751}}^1$

素因数の和:4821

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 17529668

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 148, 1073, 2146, 4292, 4751, 9502, 19004, 137779, 175787, 275558, 351574, 551116, 703148, 5097823, 10195646, 20391292]

約数ペア:

[(1, 20391292), (2, 10195646), (4, 5097823), (29, 703148), (37, 551116), (58, 351574), (74, 275558), (116, 175787), (148, 137779), (1073, 19004), (2146, 9502), (4292, 4751)]