20987047440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29148677}}^1$

素因数の和:29148696

約数の個数: 60

約数和(自身を含む): 70481503404

約数和(自身を除く): 49494455964

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29148677, 58297354, 87446031, 116594708, 145743385, 174892062, 233189416, 262338093, 291486770, 349784124, 437230155, 466378832, 524676186, 582973540, 699568248, 874460310, 1049352372, 1165947080, 1311690465, 1399136496, 1748920620, 2098704744, 2331894160, 2623380930, 3497841240, 4197409488, 5246761860, 6995682480, 10493523720, 20987047440]

約数ペア:

[(1, 20987047440), (2, 10493523720), (3, 6995682480), (4, 5246761860), (5, 4197409488), (6, 3497841240), (8, 2623380930), (9, 2331894160), (10, 2098704744), (12, 1748920620), (15, 1399136496), (16, 1311690465), (18, 1165947080), (20, 1049352372), (24, 874460310), (30, 699568248), (36, 582973540), (40, 524676186), (45, 466378832), (48, 437230155), (60, 349784124), (72, 291486770), (80, 262338093), (90, 233189416), (120, 174892062), (144, 145743385), (180, 116594708), (240, 87446031), (360, 58297354), (720, 29148677)]