20187928712

素因数分解:

$2^3\times 7^1\times {\mathrm{5153}}^1\times {\mathrm{69959}}^1$

素因数の和:75125

約数の個数: 32

約数和(自身を含む): 43268860800

約数和(自身を除く): 23080932088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 5153, 10306, 20612, 36071, 41224, 69959, 72142, 139918, 144284, 279836, 288568, 489713, 559672, 979426, 1958852, 3917704, 360498727, 720997454, 1441994908, 2523491089, 2883989816, 5046982178, 10093964356, 20187928712]

約数ペア:

[(1, 20187928712), (2, 10093964356), (4, 5046982178), (7, 2883989816), (8, 2523491089), (14, 1441994908), (28, 720997454), (56, 360498727), (5153, 3917704), (10306, 1958852), (20612, 979426), (36071, 559672), (41224, 489713), (69959, 288568), (72142, 279836), (139918, 144284)]