20689863444

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{27941}}^1$

素因数の和:28325

約数の個数: 72

約数和(自身を含む): 53254769568

約数和(自身を除く): 32564906124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 307, 402, 603, 614, 804, 921, 1206, 1228, 1842, 2412, 2763, 3684, 5526, 11052, 20569, 27941, 41138, 55882, 61707, 82276, 83823, 111764, 123414, 167646, 185121, 246828, 251469, 335292, 370242, 502938, 740484, 1005876, 1872047, 3744094, 5616141, 7488188, 8577887, 11232282, 16848423, 17155774, 22464564, 25733661, 33696846, 34311548, 51467322, 67393692, 77200983, 102934644, 154401966, 308803932, 574718429, 1149436858, 1724155287, 2298873716, 3448310574, 5172465861, 6896621148, 10344931722, 20689863444]

約数ペア:

[(1, 20689863444), (2, 10344931722), (3, 6896621148), (4, 5172465861), (6, 3448310574), (9, 2298873716), (12, 1724155287), (18, 1149436858), (36, 574718429), (67, 308803932), (134, 154401966), (201, 102934644), (268, 77200983), (307, 67393692), (402, 51467322), (603, 34311548), (614, 33696846), (804, 25733661), (921, 22464564), (1206, 17155774), (1228, 16848423), (1842, 11232282), (2412, 8577887), (2763, 7488188), (3684, 5616141), (5526, 3744094), (11052, 1872047), (20569, 1005876), (27941, 740484), (41138, 502938), (55882, 370242), (61707, 335292), (82276, 251469), (83823, 246828), (111764, 185121), (123414, 167646)]