20528040496

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67526449}}^1$

素因数の和:67526476

約数の個数: 20

約数和(自身を含む): 41866399000

約数和(自身を除く): 21338358504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67526449, 135052898, 270105796, 540211592, 1080423184, 1283002531, 2566005062, 5132010124, 10264020248, 20528040496]

約数ペア:

[(1, 20528040496), (2, 10264020248), (4, 5132010124), (8, 2566005062), (16, 1283002531), (19, 1080423184), (38, 540211592), (76, 270105796), (152, 135052898), (304, 67526449)]