20764562

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:714

約数の個数: 32

約数和(自身を含む): 38567424

約数和(自身を除く): 17802862

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 271, 421, 542, 842, 1897, 2947, 3523, 3794, 5473, 5894, 7046, 10946, 24661, 38311, 49322, 76622, 114091, 228182, 798637, 1483183, 1597274, 2966366, 10382281, 20764562]

約数ペア:

[(1, 20764562), (2, 10382281), (7, 2966366), (13, 1597274), (14, 1483183), (26, 798637), (91, 228182), (182, 114091), (271, 76622), (421, 49322), (542, 38311), (842, 24661), (1897, 10946), (2947, 7046), (3523, 5894), (3794, 5473)]