20762516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1063}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 38431680

約数和(自身を除く): 17669164

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 1028, 1063, 2126, 4252, 4883, 9766, 19532, 20197, 40394, 80788, 273191, 546382, 1092764, 5190629, 10381258, 20762516]

約数ペア:

[(1, 20762516), (2, 10381258), (4, 5190629), (19, 1092764), (38, 546382), (76, 273191), (257, 80788), (514, 40394), (1028, 20197), (1063, 19532), (2126, 9766), (4252, 4883)]