20454982

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:772

約数の個数: 24

約数和(自身を含む): 33220152

約数和(自身を除く): 12765170

約数列:

[1, 2, 19, 38, 41, 82, 361, 691, 722, 779, 1382, 1558, 13129, 14801, 26258, 28331, 29602, 56662, 249451, 498902, 538289, 1076578, 10227491, 20454982]

約数ペア:

[(1, 20454982), (2, 10227491), (19, 1076578), (38, 538289), (41, 498902), (82, 249451), (361, 56662), (691, 29602), (722, 28331), (779, 26258), (1382, 14801), (1558, 13129)]