20218308

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1721}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 52073280

約数和(自身を除く): 31854972

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 132, 178, 267, 356, 534, 979, 1068, 1721, 1958, 2937, 3442, 3916, 5163, 5874, 6884, 10326, 11748, 18931, 20652, 37862, 56793, 75724, 113586, 153169, 227172, 306338, 459507, 612676, 919014, 1684859, 1838028, 3369718, 5054577, 6739436, 10109154, 20218308]

約数ペア:

[(1, 20218308), (2, 10109154), (3, 6739436), (4, 5054577), (6, 3369718), (11, 1838028), (12, 1684859), (22, 919014), (33, 612676), (44, 459507), (66, 306338), (89, 227172), (132, 153169), (178, 113586), (267, 75724), (356, 56793), (534, 37862), (979, 20652), (1068, 18931), (1721, 11748), (1958, 10326), (2937, 6884), (3442, 5874), (3916, 5163)]