20143753355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 28084492800

約数和(自身を除く): 7940739445

約数列:

[1, 5, 11, 19, 55, 95, 181, 209, 281, 379, 905, 1045, 1405, 1895, 1991, 3091, 3439, 4169, 5339, 7201, 9955, 15455, 17195, 20845, 26695, 36005, 37829, 50861, 58729, 68599, 79211, 106499, 189145, 254305, 293645, 342995, 396055, 532495, 559471, 754589, 966359, 1171489, 1303381, 2023481, 2797355, 3772945, 4831795, 5857445, 6516905, 10117405, 10629949, 14337191, 19276319, 22258291, 53149745, 71685955, 96381595, 111291455, 212039509, 366250061, 1060197545, 1831250305, 4028750671, 20143753355]

約数ペア:

[(1, 20143753355), (5, 4028750671), (11, 1831250305), (19, 1060197545), (55, 366250061), (95, 212039509), (181, 111291455), (209, 96381595), (281, 71685955), (379, 53149745), (905, 22258291), (1045, 19276319), (1405, 14337191), (1895, 10629949), (1991, 10117405), (3091, 6516905), (3439, 5857445), (4169, 4831795), (5339, 3772945), (7201, 2797355), (9955, 2023481), (15455, 1303381), (17195, 1171489), (20845, 966359), (26695, 754589), (36005, 559471), (37829, 532495), (50861, 396055), (58729, 342995), (68599, 293645), (79211, 254305), (106499, 189145)]