20670412

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 22230068

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 113, 139, 188, 226, 278, 329, 452, 556, 658, 791, 973, 1316, 1582, 1946, 3164, 3892, 5311, 6533, 10622, 13066, 15707, 21244, 26132, 31414, 37177, 45731, 62828, 74354, 91462, 109949, 148708, 182924, 219898, 439796, 738229, 1476458, 2952916, 5167603, 10335206, 20670412]

約数ペア:

[(1, 20670412), (2, 10335206), (4, 5167603), (7, 2952916), (14, 1476458), (28, 738229), (47, 439796), (94, 219898), (113, 182924), (139, 148708), (188, 109949), (226, 91462), (278, 74354), (329, 62828), (452, 45731), (556, 37177), (658, 31414), (791, 26132), (973, 21244), (1316, 15707), (1582, 13066), (1946, 10622), (3164, 6533), (3892, 5311)]