20489088

素因数分解:

$2^7\times 3^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 54896400

約数和(自身を除く): 34407312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 229, 233, 384, 458, 466, 687, 699, 916, 932, 1374, 1398, 1832, 1864, 2748, 2796, 3664, 3728, 5496, 5592, 7328, 7456, 10992, 11184, 14656, 14912, 21984, 22368, 29312, 29824, 43968, 44736, 53357, 87936, 89472, 106714, 160071, 213428, 320142, 426856, 640284, 853712, 1280568, 1707424, 2561136, 3414848, 5122272, 6829696, 10244544, 20489088]

約数ペア:

[(1, 20489088), (2, 10244544), (3, 6829696), (4, 5122272), (6, 3414848), (8, 2561136), (12, 1707424), (16, 1280568), (24, 853712), (32, 640284), (48, 426856), (64, 320142), (96, 213428), (128, 160071), (192, 106714), (229, 89472), (233, 87936), (384, 53357), (458, 44736), (466, 43968), (687, 29824), (699, 29312), (916, 22368), (932, 21984), (1374, 14912), (1398, 14656), (1832, 11184), (1864, 10992), (2748, 7456), (2796, 7328), (3664, 5592), (3728, 5496)]