20474366952

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{249517}}^1$

素因数の和:249802

約数の個数: 64

約数和(自身を含む): 55333111680

約数和(自身を除く): 34858744728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 263, 312, 526, 789, 1052, 1578, 2104, 3156, 3419, 6312, 6838, 10257, 13676, 20514, 27352, 41028, 82056, 249517, 499034, 748551, 998068, 1497102, 1996136, 2994204, 3243721, 5988408, 6487442, 9731163, 12974884, 19462326, 25949768, 38924652, 65622971, 77849304, 131245942, 196868913, 262491884, 393737826, 524983768, 787475652, 853098623, 1574951304, 1706197246, 2559295869, 3412394492, 5118591738, 6824788984, 10237183476, 20474366952]

約数ペア:

[(1, 20474366952), (2, 10237183476), (3, 6824788984), (4, 5118591738), (6, 3412394492), (8, 2559295869), (12, 1706197246), (13, 1574951304), (24, 853098623), (26, 787475652), (39, 524983768), (52, 393737826), (78, 262491884), (104, 196868913), (156, 131245942), (263, 77849304), (312, 65622971), (526, 38924652), (789, 25949768), (1052, 19462326), (1578, 12974884), (2104, 9731163), (3156, 6487442), (3419, 5988408), (6312, 3243721), (6838, 2994204), (10257, 1996136), (13676, 1497102), (20514, 998068), (27352, 748551), (41028, 499034), (82056, 249517)]