20653218

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^2\times {\mathrm{241}}^1$

素因数の和:301

約数の個数: 60

約数和(自身を含む): 48578838

約数和(自身を除く): 27925620

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 241, 414, 482, 529, 621, 723, 1058, 1242, 1446, 1587, 1863, 2169, 3174, 3726, 4338, 4761, 5543, 6507, 9522, 11086, 13014, 14283, 16629, 19521, 28566, 33258, 39042, 42849, 49887, 85698, 99774, 127489, 149661, 254978, 299322, 382467, 448983, 764934, 897966, 1147401, 2294802, 3442203, 6884406, 10326609, 20653218]

約数ペア:

[(1, 20653218), (2, 10326609), (3, 6884406), (6, 3442203), (9, 2294802), (18, 1147401), (23, 897966), (27, 764934), (46, 448983), (54, 382467), (69, 299322), (81, 254978), (138, 149661), (162, 127489), (207, 99774), (241, 85698), (414, 49887), (482, 42849), (529, 39042), (621, 33258), (723, 28566), (1058, 19521), (1242, 16629), (1446, 14283), (1587, 13014), (1863, 11086), (2169, 9522), (3174, 6507), (3726, 5543), (4338, 4761)]