20677202

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 41658624

約数和(自身を除く): 20981422

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 41, 82, 91, 119, 163, 182, 221, 238, 287, 326, 442, 533, 574, 697, 1066, 1141, 1394, 1547, 2119, 2282, 2771, 3094, 3731, 4238, 4879, 5542, 6683, 7462, 9061, 9758, 13366, 14833, 18122, 19397, 29666, 36023, 38794, 46781, 63427, 72046, 86879, 93562, 113611, 126854, 173758, 227222, 252161, 504322, 608153, 795277, 1216306, 1476943, 1590554, 2953886, 10338601, 20677202]

約数ペア:

[(1, 20677202), (2, 10338601), (7, 2953886), (13, 1590554), (14, 1476943), (17, 1216306), (26, 795277), (34, 608153), (41, 504322), (82, 252161), (91, 227222), (119, 173758), (163, 126854), (182, 113611), (221, 93562), (238, 86879), (287, 72046), (326, 63427), (442, 46781), (533, 38794), (574, 36023), (697, 29666), (1066, 19397), (1141, 18122), (1394, 14833), (1547, 13366), (2119, 9758), (2282, 9061), (2771, 7462), (3094, 6683), (3731, 5542), (4238, 4879)]