20743424

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 46701312

約数和(自身を除く): 25957888

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 256, 271, 299, 368, 416, 542, 598, 736, 832, 1084, 1196, 1472, 1664, 2168, 2392, 2944, 3328, 3523, 4336, 4784, 5888, 6233, 7046, 8672, 9568, 12466, 14092, 17344, 19136, 24932, 28184, 34688, 38272, 49864, 56368, 69376, 76544, 81029, 99728, 112736, 162058, 199456, 225472, 324116, 398912, 450944, 648232, 797824, 901888, 1296464, 1595648, 2592928, 5185856, 10371712, 20743424]

約数ペア:

[(1, 20743424), (2, 10371712), (4, 5185856), (8, 2592928), (13, 1595648), (16, 1296464), (23, 901888), (26, 797824), (32, 648232), (46, 450944), (52, 398912), (64, 324116), (92, 225472), (104, 199456), (128, 162058), (184, 112736), (208, 99728), (256, 81029), (271, 76544), (299, 69376), (368, 56368), (416, 49864), (542, 38272), (598, 34688), (736, 28184), (832, 24932), (1084, 19136), (1196, 17344), (1472, 14092), (1664, 12466), (2168, 9568), (2392, 8672), (2944, 7046), (3328, 6233), (3523, 5888), (4336, 4784)]