20172960944

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15959621}}^1$

素因数の和:15959708

約数の個数: 20

約数和(自身を含む): 39579862560

約数和(自身を除く): 19406901616

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15959621, 31919242, 63838484, 127676968, 255353936, 1260810059, 2521620118, 5043240236, 10086480472, 20172960944]

約数ペア:

[(1, 20172960944), (2, 10086480472), (4, 5043240236), (8, 2521620118), (16, 1260810059), (79, 255353936), (158, 127676968), (316, 63838484), (632, 31919242), (1264, 15959621)]