20211761456

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{9946733}}^1$

素因数の和:9946868

約数の個数: 20

約数和(自身を含む): 39468640512

約数和(自身を除く): 19256879056

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 9946733, 19893466, 39786932, 79573864, 159147728, 1263235091, 2526470182, 5052940364, 10105880728, 20211761456]

約数ペア:

[(1, 20211761456), (2, 10105880728), (4, 5052940364), (8, 2526470182), (16, 1263235091), (127, 159147728), (254, 79573864), (508, 39786932), (1016, 19893466), (2032, 9946733)]