20708448

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12689}}^1$

素因数の和:12719

約数の個数: 48

約数和(自身を含む): 57561840

約数和(自身を除く): 36853392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12689, 25378, 38067, 50756, 76134, 101512, 152268, 203024, 215713, 304536, 406048, 431426, 609072, 647139, 862852, 1218144, 1294278, 1725704, 2588556, 3451408, 5177112, 6902816, 10354224, 20708448]

約数ペア:

[(1, 20708448), (2, 10354224), (3, 6902816), (4, 5177112), (6, 3451408), (8, 2588556), (12, 1725704), (16, 1294278), (17, 1218144), (24, 862852), (32, 647139), (34, 609072), (48, 431426), (51, 406048), (68, 304536), (96, 215713), (102, 203024), (136, 152268), (204, 101512), (272, 76134), (408, 50756), (544, 38067), (816, 25378), (1632, 12689)]