20471688

素因数分解:

$2^3\times 3^2\times {\mathrm{331}}^1\times {\mathrm{859}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 55676400

約数和(自身を除く): 35204712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 331, 662, 859, 993, 1324, 1718, 1986, 2577, 2648, 2979, 3436, 3972, 5154, 5958, 6872, 7731, 7944, 10308, 11916, 15462, 20616, 23832, 30924, 61848, 284329, 568658, 852987, 1137316, 1705974, 2274632, 2558961, 3411948, 5117922, 6823896, 10235844, 20471688]

約数ペア:

[(1, 20471688), (2, 10235844), (3, 6823896), (4, 5117922), (6, 3411948), (8, 2558961), (9, 2274632), (12, 1705974), (18, 1137316), (24, 852987), (36, 568658), (72, 284329), (331, 61848), (662, 30924), (859, 23832), (993, 20616), (1324, 15462), (1718, 11916), (1986, 10308), (2577, 7944), (2648, 7731), (2979, 6872), (3436, 5958), (3972, 5154)]