20641536

素因数分解:

$2^8\times 3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 162

約数和(自身を含む): 65260832

約数和(自身を除く): 44619296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 32, 34, 36, 48, 51, 62, 64, 68, 72, 93, 96, 102, 124, 128, 136, 144, 153, 186, 192, 204, 248, 256, 272, 279, 288, 289, 306, 372, 384, 408, 496, 527, 544, 558, 576, 578, 612, 744, 768, 816, 867, 992, 1054, 1088, 1116, 1152, 1156, 1224, 1488, 1581, 1632, 1734, 1984, 2108, 2176, 2232, 2304, 2312, 2448, 2601, 2976, 3162, 3264, 3468, 3968, 4216, 4352, 4464, 4624, 4743, 4896, 5202, 5952, 6324, 6528, 6936, 7936, 8432, 8928, 8959, 9248, 9486, 9792, 10404, 11904, 12648, 13056, 13872, 16864, 17856, 17918, 18496, 18972, 19584, 20808, 23808, 25296, 26877, 27744, 33728, 35712, 35836, 36992, 37944, 39168, 41616, 50592, 53754, 55488, 67456, 71424, 71672, 73984, 75888, 80631, 83232, 101184, 107508, 110976, 134912, 143344, 151776, 161262, 166464, 202368, 215016, 221952, 286688, 303552, 322524, 332928, 404736, 430032, 573376, 607104, 645048, 665856, 860064, 1146752, 1214208, 1290096, 1720128, 2293504, 2580192, 3440256, 5160384, 6880512, 10320768, 20641536]

約数ペア:

[(1, 20641536), (2, 10320768), (3, 6880512), (4, 5160384), (6, 3440256), (8, 2580192), (9, 2293504), (12, 1720128), (16, 1290096), (17, 1214208), (18, 1146752), (24, 860064), (31, 665856), (32, 645048), (34, 607104), (36, 573376), (48, 430032), (51, 404736), (62, 332928), (64, 322524), (68, 303552), (72, 286688), (93, 221952), (96, 215016), (102, 202368), (124, 166464), (128, 161262), (136, 151776), (144, 143344), (153, 134912), (186, 110976), (192, 107508), (204, 101184), (248, 83232), (256, 80631), (272, 75888), (279, 73984), (288, 71672), (289, 71424), (306, 67456), (372, 55488), (384, 53754), (408, 50592), (496, 41616), (527, 39168), (544, 37944), (558, 36992), (576, 35836), (578, 35712), (612, 33728), (744, 27744), (768, 26877), (816, 25296), (867, 23808), (992, 20808), (1054, 19584), (1088, 18972), (1116, 18496), (1152, 17918), (1156, 17856), (1224, 16864), (1488, 13872), (1581, 13056), (1632, 12648), (1734, 11904), (1984, 10404), (2108, 9792), (2176, 9486), (2232, 9248), (2304, 8959), (2312, 8928), (2448, 8432), (2601, 7936), (2976, 6936), (3162, 6528), (3264, 6324), (3468, 5952), (3968, 5202), (4216, 4896), (4352, 4743), (4464, 4624)]