20201304

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 54345600

約数和(自身を除く): 34144296

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 67, 68, 102, 134, 136, 201, 204, 268, 402, 408, 536, 739, 804, 1139, 1478, 1608, 2217, 2278, 2956, 3417, 4434, 4556, 5912, 6834, 8868, 9112, 12563, 13668, 17736, 25126, 27336, 37689, 49513, 50252, 75378, 99026, 100504, 148539, 150756, 198052, 297078, 301512, 396104, 594156, 841721, 1188312, 1683442, 2525163, 3366884, 5050326, 6733768, 10100652, 20201304]

約数ペア:

[(1, 20201304), (2, 10100652), (3, 6733768), (4, 5050326), (6, 3366884), (8, 2525163), (12, 1683442), (17, 1188312), (24, 841721), (34, 594156), (51, 396104), (67, 301512), (68, 297078), (102, 198052), (134, 150756), (136, 148539), (201, 100504), (204, 99026), (268, 75378), (402, 50252), (408, 49513), (536, 37689), (739, 27336), (804, 25126), (1139, 17736), (1478, 13668), (1608, 12563), (2217, 9112), (2278, 8868), (2956, 6834), (3417, 5912), (4434, 4556)]