20731704

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 65096280

約数和(自身を除く): 44364576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 61, 68, 84, 98, 102, 119, 122, 136, 147, 168, 183, 196, 204, 238, 244, 289, 294, 357, 366, 392, 408, 427, 476, 488, 578, 588, 714, 732, 833, 854, 867, 952, 1037, 1156, 1176, 1281, 1428, 1464, 1666, 1708, 1734, 2023, 2074, 2312, 2499, 2562, 2856, 2989, 3111, 3332, 3416, 3468, 4046, 4148, 4998, 5124, 5978, 6069, 6222, 6664, 6936, 7259, 8092, 8296, 8967, 9996, 10248, 11956, 12138, 12444, 14161, 14518, 16184, 17629, 17934, 19992, 21777, 23912, 24276, 24888, 28322, 29036, 35258, 35868, 42483, 43554, 48552, 50813, 52887, 56644, 58072, 70516, 71736, 84966, 87108, 101626, 105774, 113288, 123403, 141032, 152439, 169932, 174216, 203252, 211548, 246806, 304878, 339864, 370209, 406504, 423096, 493612, 609756, 740418, 863821, 987224, 1219512, 1480836, 1727642, 2591463, 2961672, 3455284, 5182926, 6910568, 10365852, 20731704]

約数ペア:

[(1, 20731704), (2, 10365852), (3, 6910568), (4, 5182926), (6, 3455284), (7, 2961672), (8, 2591463), (12, 1727642), (14, 1480836), (17, 1219512), (21, 987224), (24, 863821), (28, 740418), (34, 609756), (42, 493612), (49, 423096), (51, 406504), (56, 370209), (61, 339864), (68, 304878), (84, 246806), (98, 211548), (102, 203252), (119, 174216), (122, 169932), (136, 152439), (147, 141032), (168, 123403), (183, 113288), (196, 105774), (204, 101626), (238, 87108), (244, 84966), (289, 71736), (294, 70516), (357, 58072), (366, 56644), (392, 52887), (408, 50813), (427, 48552), (476, 43554), (488, 42483), (578, 35868), (588, 35258), (714, 29036), (732, 28322), (833, 24888), (854, 24276), (867, 23912), (952, 21777), (1037, 19992), (1156, 17934), (1176, 17629), (1281, 16184), (1428, 14518), (1464, 14161), (1666, 12444), (1708, 12138), (1734, 11956), (2023, 10248), (2074, 9996), (2312, 8967), (2499, 8296), (2562, 8092), (2856, 7259), (2989, 6936), (3111, 6664), (3332, 6222), (3416, 6069), (3468, 5978), (4046, 5124), (4148, 4998)]