30721456

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{40853}}^1$

素因数の和:40908

約数の個数: 20

約数和(自身を含む): 60790752

約数和(自身を除く): 30069296

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 40853, 81706, 163412, 326824, 653648, 1920091, 3840182, 7680364, 15360728, 30721456]

約数ペア:

[(1, 30721456), (2, 15360728), (4, 7680364), (8, 3840182), (16, 1920091), (47, 653648), (94, 326824), (188, 163412), (376, 81706), (752, 40853)]