20342163790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{541447}}^1$

素因数の和:541501

約数の個数: 48

約数和(自身を含む): 41888583072

約数和(自身を除く): 21546419282

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 1105, 1445, 2210, 2890, 3757, 7514, 18785, 37570, 541447, 1082894, 2707235, 5414470, 7038811, 9204599, 14077622, 18409198, 35194055, 46022995, 70388110, 92045990, 119659787, 156478183, 239319574, 312956366, 598298935, 782390915, 1196597870, 1564781830, 2034216379, 4068432758, 10171081895, 20342163790]

約数ペア:

[(1, 20342163790), (2, 10171081895), (5, 4068432758), (10, 2034216379), (13, 1564781830), (17, 1196597870), (26, 782390915), (34, 598298935), (65, 312956366), (85, 239319574), (130, 156478183), (170, 119659787), (221, 92045990), (289, 70388110), (442, 46022995), (578, 35194055), (1105, 18409198), (1445, 14077622), (2210, 9204599), (2890, 7038811), (3757, 5414470), (7514, 2707235), (18785, 1082894), (37570, 541447)]