20511331334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{2851}}^1$

素因数の和:3321

約数の個数: 64

約数和(自身を含む): 36041568192

約数和(自身を除く): 15530236858

約数列:

[1, 2, 13, 17, 26, 34, 41, 82, 221, 397, 442, 533, 697, 794, 1066, 1394, 2851, 5161, 5702, 6749, 9061, 10322, 13498, 16277, 18122, 32554, 37063, 48467, 74126, 87737, 96934, 116891, 175474, 211601, 233782, 276709, 423202, 553418, 630071, 1131847, 1260142, 1519583, 1987147, 2263694, 3039166, 3597217, 3974294, 7194434, 14714011, 19241399, 25832911, 29428022, 38482798, 46405727, 51665822, 92811454, 250138187, 500276374, 603274451, 788897359, 1206548902, 1577794718, 10255665667, 20511331334]

約数ペア:

[(1, 20511331334), (2, 10255665667), (13, 1577794718), (17, 1206548902), (26, 788897359), (34, 603274451), (41, 500276374), (82, 250138187), (221, 92811454), (397, 51665822), (442, 46405727), (533, 38482798), (697, 29428022), (794, 25832911), (1066, 19241399), (1394, 14714011), (2851, 7194434), (5161, 3974294), (5702, 3597217), (6749, 3039166), (9061, 2263694), (10322, 1987147), (13498, 1519583), (16277, 1260142), (18122, 1131847), (32554, 630071), (37063, 553418), (48467, 423202), (74126, 276709), (87737, 233782), (96934, 211601), (116891, 175474)]