20693946

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 51480576

約数和(自身を除く): 30786630

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 151, 182, 251, 273, 302, 453, 502, 546, 753, 906, 1057, 1506, 1757, 1963, 2114, 3171, 3263, 3514, 3926, 5271, 5889, 6342, 6526, 9789, 10542, 11778, 13741, 19578, 22841, 27482, 37901, 41223, 45682, 68523, 75802, 82446, 113703, 137046, 227406, 265307, 492713, 530614, 795921, 985426, 1478139, 1591842, 2956278, 3448991, 6897982, 10346973, 20693946]

約数ペア:

[(1, 20693946), (2, 10346973), (3, 6897982), (6, 3448991), (7, 2956278), (13, 1591842), (14, 1478139), (21, 985426), (26, 795921), (39, 530614), (42, 492713), (78, 265307), (91, 227406), (151, 137046), (182, 113703), (251, 82446), (273, 75802), (302, 68523), (453, 45682), (502, 41223), (546, 37901), (753, 27482), (906, 22841), (1057, 19578), (1506, 13741), (1757, 11778), (1963, 10542), (2114, 9789), (3171, 6526), (3263, 6342), (3514, 5889), (3926, 5271)]