20637964

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 37028880

約数和(自身を除く): 16390916

約数列:

[1, 2, 4, 59, 118, 157, 236, 314, 557, 628, 1114, 2228, 9263, 18526, 32863, 37052, 65726, 87449, 131452, 174898, 349796, 5159491, 10318982, 20637964]

約数ペア:

[(1, 20637964), (2, 10318982), (4, 5159491), (59, 349796), (118, 174898), (157, 131452), (236, 87449), (314, 65726), (557, 37052), (628, 32863), (1114, 18526), (2228, 9263)]