20895888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33487}}^1$

素因数の和:33511

約数の個数: 40

約数和(自身を含む): 58135168

約数和(自身を除く): 37239280

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33487, 66974, 100461, 133948, 200922, 267896, 401844, 435331, 535792, 803688, 870662, 1305993, 1607376, 1741324, 2611986, 3482648, 5223972, 6965296, 10447944, 20895888]

約数ペア:

[(1, 20895888), (2, 10447944), (3, 6965296), (4, 5223972), (6, 3482648), (8, 2611986), (12, 1741324), (13, 1607376), (16, 1305993), (24, 870662), (26, 803688), (39, 535792), (48, 435331), (52, 401844), (78, 267896), (104, 200922), (156, 133948), (208, 100461), (312, 66974), (624, 33487)]