20995608

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 56649600

約数和(自身を除く): 35653992

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 41, 57, 76, 82, 114, 123, 152, 164, 228, 246, 328, 456, 492, 779, 984, 1123, 1558, 2246, 2337, 3116, 3369, 4492, 4674, 6232, 6738, 8984, 9348, 13476, 18696, 21337, 26952, 42674, 46043, 64011, 85348, 92086, 128022, 138129, 170696, 184172, 256044, 276258, 368344, 512088, 552516, 874817, 1105032, 1749634, 2624451, 3499268, 5248902, 6998536, 10497804, 20995608]

約数ペア:

[(1, 20995608), (2, 10497804), (3, 6998536), (4, 5248902), (6, 3499268), (8, 2624451), (12, 1749634), (19, 1105032), (24, 874817), (38, 552516), (41, 512088), (57, 368344), (76, 276258), (82, 256044), (114, 184172), (123, 170696), (152, 138129), (164, 128022), (228, 92086), (246, 85348), (328, 64011), (456, 46043), (492, 42674), (779, 26952), (984, 21337), (1123, 18696), (1558, 13476), (2246, 9348), (2337, 8984), (3116, 6738), (3369, 6232), (4492, 4674)]