20263048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 44195760

約数和(自身を除く): 23932712

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 73, 104, 136, 146, 157, 221, 292, 314, 442, 584, 628, 884, 949, 1241, 1256, 1768, 1898, 2041, 2482, 2669, 3796, 4082, 4964, 5338, 7592, 8164, 9928, 10676, 11461, 16133, 16328, 21352, 22922, 32266, 34697, 45844, 64532, 69394, 91688, 129064, 138788, 148993, 194837, 277576, 297986, 389674, 595972, 779348, 1191944, 1558696, 2532881, 5065762, 10131524, 20263048]

約数ペア:

[(1, 20263048), (2, 10131524), (4, 5065762), (8, 2532881), (13, 1558696), (17, 1191944), (26, 779348), (34, 595972), (52, 389674), (68, 297986), (73, 277576), (104, 194837), (136, 148993), (146, 138788), (157, 129064), (221, 91688), (292, 69394), (314, 64532), (442, 45844), (584, 34697), (628, 32266), (884, 22922), (949, 21352), (1241, 16328), (1256, 16133), (1768, 11461), (1898, 10676), (2041, 9928), (2482, 8164), (2669, 7592), (3796, 5338), (4082, 4964)]