20768156918

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{2503}}^1\times {\mathrm{4933}}^1$

素因数の和:7496

約数の個数: 24

約数和(自身を含む): 32282925168

約数和(自身を除く): 11514768250

約数列:

[1, 2, 29, 58, 841, 1682, 2503, 4933, 5006, 9866, 72587, 143057, 145174, 286114, 2105023, 4148653, 4210046, 8297306, 12347299, 24694598, 358071671, 716143342, 10384078459, 20768156918]

約数ペア:

[(1, 20768156918), (2, 10384078459), (29, 716143342), (58, 358071671), (841, 24694598), (1682, 12347299), (2503, 8297306), (4933, 4210046), (5006, 4148653), (9866, 2105023), (72587, 286114), (143057, 145174)]