20651632

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67933}}^1$

素因数の和:67960

約数の個数: 20

約数和(自身を含む): 42119080

約数和(自身を除く): 21467448

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67933, 135866, 271732, 543464, 1086928, 1290727, 2581454, 5162908, 10325816, 20651632]

約数ペア:

[(1, 20651632), (2, 10325816), (4, 5162908), (8, 2581454), (16, 1290727), (19, 1086928), (38, 543464), (76, 271732), (152, 135866), (304, 67933)]