20945256

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 54537600

約数和(自身を除く): 33592344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 103, 111, 148, 206, 222, 229, 296, 309, 412, 444, 458, 618, 687, 824, 888, 916, 1236, 1374, 1832, 2472, 2748, 3811, 5496, 7622, 8473, 11433, 15244, 16946, 22866, 23587, 25419, 30488, 33892, 45732, 47174, 50838, 67784, 70761, 91464, 94348, 101676, 141522, 188696, 203352, 283044, 566088, 872719, 1745438, 2618157, 3490876, 5236314, 6981752, 10472628, 20945256]

約数ペア:

[(1, 20945256), (2, 10472628), (3, 6981752), (4, 5236314), (6, 3490876), (8, 2618157), (12, 1745438), (24, 872719), (37, 566088), (74, 283044), (103, 203352), (111, 188696), (148, 141522), (206, 101676), (222, 94348), (229, 91464), (296, 70761), (309, 67784), (412, 50838), (444, 47174), (458, 45732), (618, 33892), (687, 30488), (824, 25419), (888, 23587), (916, 22866), (1236, 16946), (1374, 15244), (1832, 11433), (2472, 8473), (2748, 7622), (3811, 5496)]