20320686

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 47616000

約数和(自身を除く): 27295314

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 61, 62, 93, 122, 183, 186, 199, 279, 366, 398, 549, 558, 597, 837, 1098, 1194, 1647, 1674, 1791, 1891, 3294, 3582, 3782, 5373, 5673, 6169, 10746, 11346, 12139, 12338, 17019, 18507, 24278, 34038, 36417, 37014, 51057, 55521, 72834, 102114, 109251, 111042, 166563, 218502, 327753, 333126, 376309, 655506, 752618, 1128927, 2257854, 3386781, 6773562, 10160343, 20320686]

約数ペア:

[(1, 20320686), (2, 10160343), (3, 6773562), (6, 3386781), (9, 2257854), (18, 1128927), (27, 752618), (31, 655506), (54, 376309), (61, 333126), (62, 327753), (93, 218502), (122, 166563), (183, 111042), (186, 109251), (199, 102114), (279, 72834), (366, 55521), (398, 51057), (549, 37014), (558, 36417), (597, 34038), (837, 24278), (1098, 18507), (1194, 17019), (1647, 12338), (1674, 12139), (1791, 11346), (1891, 10746), (3294, 6169), (3582, 5673), (3782, 5373)]