20081235726

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{365419}}^1$

素因数の和:365541

約数の個数: 48

約数和(自身を含む): 45148371840

約数和(自身を除く): 25067136114

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 213, 258, 387, 426, 639, 774, 1278, 3053, 6106, 9159, 18318, 27477, 54954, 365419, 730838, 1096257, 2192514, 3288771, 6577542, 15713017, 25944749, 31426034, 47139051, 51889498, 77834247, 94278102, 141417153, 155668494, 233502741, 282834306, 467005482, 1115624207, 2231248414, 3346872621, 6693745242, 10040617863, 20081235726]

約数ペア:

[(1, 20081235726), (2, 10040617863), (3, 6693745242), (6, 3346872621), (9, 2231248414), (18, 1115624207), (43, 467005482), (71, 282834306), (86, 233502741), (129, 155668494), (142, 141417153), (213, 94278102), (258, 77834247), (387, 51889498), (426, 47139051), (639, 31426034), (774, 25944749), (1278, 15713017), (3053, 6577542), (6106, 3288771), (9159, 2192514), (18318, 1096257), (27477, 730838), (54954, 365419)]