20579112

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 63217440

約数和(自身を除く): 42638328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 23, 24, 34, 36, 43, 46, 51, 68, 69, 72, 86, 92, 102, 129, 136, 138, 153, 172, 184, 204, 207, 258, 276, 289, 306, 344, 387, 391, 408, 414, 516, 552, 578, 612, 731, 774, 782, 828, 867, 989, 1032, 1156, 1173, 1224, 1462, 1548, 1564, 1656, 1734, 1978, 2193, 2312, 2346, 2601, 2924, 2967, 3096, 3128, 3468, 3519, 3956, 4386, 4692, 5202, 5848, 5934, 6579, 6647, 6936, 7038, 7912, 8772, 8901, 9384, 10404, 11868, 12427, 13158, 13294, 14076, 16813, 17544, 17802, 19941, 20808, 23736, 24854, 26316, 26588, 28152, 33626, 35604, 37281, 39882, 49708, 50439, 52632, 53176, 59823, 67252, 71208, 74562, 79764, 99416, 100878, 111843, 119646, 134504, 149124, 151317, 159528, 201756, 223686, 239292, 285821, 298248, 302634, 403512, 447372, 478584, 571642, 605268, 857463, 894744, 1143284, 1210536, 1714926, 2286568, 2572389, 3429852, 5144778, 6859704, 10289556, 20579112]

約数ペア:

[(1, 20579112), (2, 10289556), (3, 6859704), (4, 5144778), (6, 3429852), (8, 2572389), (9, 2286568), (12, 1714926), (17, 1210536), (18, 1143284), (23, 894744), (24, 857463), (34, 605268), (36, 571642), (43, 478584), (46, 447372), (51, 403512), (68, 302634), (69, 298248), (72, 285821), (86, 239292), (92, 223686), (102, 201756), (129, 159528), (136, 151317), (138, 149124), (153, 134504), (172, 119646), (184, 111843), (204, 100878), (207, 99416), (258, 79764), (276, 74562), (289, 71208), (306, 67252), (344, 59823), (387, 53176), (391, 52632), (408, 50439), (414, 49708), (516, 39882), (552, 37281), (578, 35604), (612, 33626), (731, 28152), (774, 26588), (782, 26316), (828, 24854), (867, 23736), (989, 20808), (1032, 19941), (1156, 17802), (1173, 17544), (1224, 16813), (1462, 14076), (1548, 13294), (1564, 13158), (1656, 12427), (1734, 11868), (1978, 10404), (2193, 9384), (2312, 8901), (2346, 8772), (2601, 7912), (2924, 7038), (2967, 6936), (3096, 6647), (3128, 6579), (3468, 5934), (3519, 5848), (3956, 5202), (4386, 4692)]