20278062

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:382

約数の個数: 72

約数和(自身を含む): 51911496

約数和(自身を除く): 31633434

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 83, 98, 126, 147, 166, 249, 277, 294, 441, 498, 554, 581, 747, 831, 882, 1162, 1494, 1662, 1743, 1939, 2493, 3486, 3878, 4067, 4986, 5229, 5817, 8134, 10458, 11634, 12201, 13573, 17451, 22991, 24402, 27146, 34902, 36603, 40719, 45982, 68973, 73206, 81438, 122157, 137946, 160937, 206919, 244314, 321874, 413838, 482811, 965622, 1126559, 1448433, 2253118, 2896866, 3379677, 6759354, 10139031, 20278062]

約数ペア:

[(1, 20278062), (2, 10139031), (3, 6759354), (6, 3379677), (7, 2896866), (9, 2253118), (14, 1448433), (18, 1126559), (21, 965622), (42, 482811), (49, 413838), (63, 321874), (83, 244314), (98, 206919), (126, 160937), (147, 137946), (166, 122157), (249, 81438), (277, 73206), (294, 68973), (441, 45982), (498, 40719), (554, 36603), (581, 34902), (747, 27146), (831, 24402), (882, 22991), (1162, 17451), (1494, 13573), (1662, 12201), (1743, 11634), (1939, 10458), (2493, 8134), (3486, 5817), (3878, 5229), (4067, 4986)]