20708856

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2417}}^1$

素因数の和:2453

約数の個数: 96

約数和(自身を含む): 67897440

約数和(自身を除く): 47188584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 204, 238, 252, 306, 357, 408, 476, 504, 612, 714, 952, 1071, 1224, 1428, 2142, 2417, 2856, 4284, 4834, 7251, 8568, 9668, 14502, 16919, 19336, 21753, 29004, 33838, 41089, 43506, 50757, 58008, 67676, 82178, 87012, 101514, 123267, 135352, 152271, 164356, 174024, 203028, 246534, 287623, 304542, 328712, 369801, 406056, 493068, 575246, 609084, 739602, 862869, 986136, 1150492, 1218168, 1479204, 1725738, 2300984, 2588607, 2958408, 3451476, 5177214, 6902952, 10354428, 20708856]

約数ペア:

[(1, 20708856), (2, 10354428), (3, 6902952), (4, 5177214), (6, 3451476), (7, 2958408), (8, 2588607), (9, 2300984), (12, 1725738), (14, 1479204), (17, 1218168), (18, 1150492), (21, 986136), (24, 862869), (28, 739602), (34, 609084), (36, 575246), (42, 493068), (51, 406056), (56, 369801), (63, 328712), (68, 304542), (72, 287623), (84, 246534), (102, 203028), (119, 174024), (126, 164356), (136, 152271), (153, 135352), (168, 123267), (204, 101514), (238, 87012), (252, 82178), (306, 67676), (357, 58008), (408, 50757), (476, 43506), (504, 41089), (612, 33838), (714, 29004), (952, 21753), (1071, 19336), (1224, 16919), (1428, 14502), (2142, 9668), (2417, 8568), (2856, 7251), (4284, 4834)]