20528298

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{853}}^1$

素因数の和:1059

約数の個数: 48

約数和(自身を含む): 51158016

約数和(自身を除く): 30629718

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 191, 382, 573, 853, 1146, 1337, 1706, 1719, 2559, 2674, 3438, 4011, 5118, 5971, 7677, 8022, 11942, 12033, 15354, 17913, 24066, 35826, 53739, 107478, 162923, 325846, 488769, 977538, 1140461, 1466307, 2280922, 2932614, 3421383, 6842766, 10264149, 20528298]

約数ペア:

[(1, 20528298), (2, 10264149), (3, 6842766), (6, 3421383), (7, 2932614), (9, 2280922), (14, 1466307), (18, 1140461), (21, 977538), (42, 488769), (63, 325846), (126, 162923), (191, 107478), (382, 53739), (573, 35826), (853, 24066), (1146, 17913), (1337, 15354), (1706, 12033), (1719, 11942), (2559, 8022), (2674, 7677), (3438, 5971), (4011, 5118)]