20724331328

素因数分解:

$2^6\times {\mathrm{149}}^1\times {\mathrm{647}}^1\times {\mathrm{3359}}^1$

素因数の和:4167

約数の個数: 56

約数和(自身を含む): 41477184000

約数和(自身を除く): 20752852672

約数列:

[1, 2, 4, 8, 16, 32, 64, 149, 298, 596, 647, 1192, 1294, 2384, 2588, 3359, 4768, 5176, 6718, 9536, 10352, 13436, 20704, 26872, 41408, 53744, 96403, 107488, 192806, 214976, 385612, 500491, 771224, 1000982, 1542448, 2001964, 2173273, 3084896, 4003928, 4346546, 6169792, 8007856, 8693092, 16015712, 17386184, 32031424, 34772368, 69544736, 139089472, 323817677, 647635354, 1295270708, 2590541416, 5181082832, 10362165664, 20724331328]

約数ペア:

[(1, 20724331328), (2, 10362165664), (4, 5181082832), (8, 2590541416), (16, 1295270708), (32, 647635354), (64, 323817677), (149, 139089472), (298, 69544736), (596, 34772368), (647, 32031424), (1192, 17386184), (1294, 16015712), (2384, 8693092), (2588, 8007856), (3359, 6169792), (4768, 4346546), (5176, 4003928), (6718, 3084896), (9536, 2173273), (10352, 2001964), (13436, 1542448), (20704, 1000982), (26872, 771224), (41408, 500491), (53744, 385612), (96403, 214976), (107488, 192806)]