20161953136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3347}}^1\times {\mathrm{28961}}^1$

素因数の和:32329

約数の個数: 40

約数和(自身を含む): 42082712784

約数和(自身を除く): 21920759648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3347, 6694, 13388, 26776, 28961, 43511, 53552, 57922, 87022, 115844, 174044, 231688, 348088, 376493, 463376, 696176, 752986, 1505972, 3011944, 6023888, 96932467, 193864934, 387729868, 775459736, 1260122071, 1550919472, 2520244142, 5040488284, 10080976568, 20161953136]

約数ペア:

[(1, 20161953136), (2, 10080976568), (4, 5040488284), (8, 2520244142), (13, 1550919472), (16, 1260122071), (26, 775459736), (52, 387729868), (104, 193864934), (208, 96932467), (3347, 6023888), (6694, 3011944), (13388, 1505972), (26776, 752986), (28961, 696176), (43511, 463376), (53552, 376493), (57922, 348088), (87022, 231688), (115844, 174044)]