20159454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 29192226

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 41, 42, 46, 69, 82, 123, 138, 161, 246, 287, 322, 483, 509, 574, 861, 943, 966, 1018, 1527, 1722, 1886, 2829, 3054, 3563, 5658, 6601, 7126, 10689, 11707, 13202, 19803, 20869, 21378, 23414, 35121, 39606, 41738, 62607, 70242, 81949, 125214, 146083, 163898, 245847, 292166, 438249, 479987, 491694, 876498, 959974, 1439961, 2879922, 3359909, 6719818, 10079727, 20159454]

約数ペア:

[(1, 20159454), (2, 10079727), (3, 6719818), (6, 3359909), (7, 2879922), (14, 1439961), (21, 959974), (23, 876498), (41, 491694), (42, 479987), (46, 438249), (69, 292166), (82, 245847), (123, 163898), (138, 146083), (161, 125214), (246, 81949), (287, 70242), (322, 62607), (483, 41738), (509, 39606), (574, 35121), (861, 23414), (943, 21378), (966, 20869), (1018, 19803), (1527, 13202), (1722, 11707), (1886, 10689), (2829, 7126), (3054, 6601), (3563, 5658)]