20795815940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{43577}}^1$

素因数の和:43916

約数の個数: 48

約数和(自身を含む): 44278036992

約数和(自身を除く): 23482221052

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 223, 428, 446, 535, 892, 1070, 1115, 2140, 2230, 4460, 23861, 43577, 47722, 87154, 95444, 119305, 174308, 217885, 238610, 435770, 477220, 871540, 4662739, 9325478, 9717671, 18650956, 19435342, 23313695, 38870684, 46627390, 48588355, 93254780, 97176710, 194353420, 1039790797, 2079581594, 4159163188, 5198953985, 10397907970, 20795815940]

約数ペア:

[(1, 20795815940), (2, 10397907970), (4, 5198953985), (5, 4159163188), (10, 2079581594), (20, 1039790797), (107, 194353420), (214, 97176710), (223, 93254780), (428, 48588355), (446, 46627390), (535, 38870684), (892, 23313695), (1070, 19435342), (1115, 18650956), (2140, 9717671), (2230, 9325478), (4460, 4662739), (23861, 871540), (43577, 477220), (47722, 435770), (87154, 238610), (95444, 217885), (119305, 174308)]