20856576

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2089}}^1$

素因数の和:2121

約数の個数: 72

約数和(自身を含む): 59807440

約数和(自身を除く): 38950864

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2089, 2496, 3328, 4178, 4992, 6267, 8356, 9984, 12534, 16712, 25068, 27157, 33424, 50136, 54314, 66848, 81471, 100272, 108628, 133696, 162942, 200544, 217256, 267392, 325884, 401088, 434512, 534784, 651768, 802176, 869024, 1303536, 1604352, 1738048, 2607072, 3476096, 5214144, 6952192, 10428288, 20856576]

約数ペア:

[(1, 20856576), (2, 10428288), (3, 6952192), (4, 5214144), (6, 3476096), (8, 2607072), (12, 1738048), (13, 1604352), (16, 1303536), (24, 869024), (26, 802176), (32, 651768), (39, 534784), (48, 434512), (52, 401088), (64, 325884), (78, 267392), (96, 217256), (104, 200544), (128, 162942), (156, 133696), (192, 108628), (208, 100272), (256, 81471), (312, 66848), (384, 54314), (416, 50136), (624, 33424), (768, 27157), (832, 25068), (1248, 16712), (1664, 12534), (2089, 9984), (2496, 8356), (3328, 6267), (4178, 4992)]