20208258

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 51774720

約数和(自身を除く): 31566462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 193, 277, 378, 386, 554, 579, 831, 1158, 1351, 1662, 1737, 1939, 2493, 2702, 3474, 3878, 4053, 4986, 5211, 5817, 7479, 8106, 10422, 11634, 12159, 14958, 17451, 24318, 34902, 36477, 52353, 53461, 72954, 104706, 106922, 160383, 320766, 374227, 481149, 748454, 962298, 1122681, 1443447, 2245362, 2886894, 3368043, 6736086, 10104129, 20208258]

約数ペア:

[(1, 20208258), (2, 10104129), (3, 6736086), (6, 3368043), (7, 2886894), (9, 2245362), (14, 1443447), (18, 1122681), (21, 962298), (27, 748454), (42, 481149), (54, 374227), (63, 320766), (126, 160383), (189, 106922), (193, 104706), (277, 72954), (378, 53461), (386, 52353), (554, 36477), (579, 34902), (831, 24318), (1158, 17451), (1351, 14958), (1662, 12159), (1737, 11634), (1939, 10422), (2493, 8106), (2702, 7479), (3474, 5817), (3878, 5211), (4053, 4986)]