20963984

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45181}}^1$

素因数の和:45218

約数の個数: 20

約数和(自身を含む): 42019260

約数和(自身を除く): 21055276

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45181, 90362, 180724, 361448, 722896, 1310249, 2620498, 5240996, 10481992, 20963984]

約数ペア:

[(1, 20963984), (2, 10481992), (4, 5240996), (8, 2620498), (16, 1310249), (29, 722896), (58, 361448), (116, 180724), (232, 90362), (464, 45181)]