20510126

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 40851216

約数和(自身を除く): 20341090

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 49, 91, 98, 119, 182, 221, 238, 442, 637, 833, 947, 1274, 1547, 1666, 1894, 3094, 6629, 10829, 12311, 13258, 16099, 21658, 24622, 32198, 46403, 86177, 92806, 112693, 172354, 209287, 225386, 418574, 603239, 788851, 1206478, 1465009, 1577702, 2930018, 10255063, 20510126]

約数ペア:

[(1, 20510126), (2, 10255063), (7, 2930018), (13, 1577702), (14, 1465009), (17, 1206478), (26, 788851), (34, 603239), (49, 418574), (91, 225386), (98, 209287), (119, 172354), (182, 112693), (221, 92806), (238, 86177), (442, 46403), (637, 32198), (833, 24622), (947, 21658), (1274, 16099), (1547, 13258), (1666, 12311), (1894, 10829), (3094, 6629)]