20605608

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^2\times {\mathrm{541}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 58446570

約数和(自身を除く): 37840962

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 529, 541, 552, 828, 1058, 1082, 1587, 1623, 1656, 2116, 2164, 3174, 3246, 4232, 4328, 4761, 4869, 6348, 6492, 9522, 9738, 12443, 12696, 12984, 19044, 19476, 24886, 37329, 38088, 38952, 49772, 74658, 99544, 111987, 149316, 223974, 286189, 298632, 447948, 572378, 858567, 895896, 1144756, 1717134, 2289512, 2575701, 3434268, 5151402, 6868536, 10302804, 20605608]

約数ペア:

[(1, 20605608), (2, 10302804), (3, 6868536), (4, 5151402), (6, 3434268), (8, 2575701), (9, 2289512), (12, 1717134), (18, 1144756), (23, 895896), (24, 858567), (36, 572378), (46, 447948), (69, 298632), (72, 286189), (92, 223974), (138, 149316), (184, 111987), (207, 99544), (276, 74658), (414, 49772), (529, 38952), (541, 38088), (552, 37329), (828, 24886), (1058, 19476), (1082, 19044), (1587, 12984), (1623, 12696), (1656, 12443), (2116, 9738), (2164, 9522), (3174, 6492), (3246, 6348), (4232, 4869), (4328, 4761)]