20867400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11593}}^1$

素因数の和:11615

約数の個数: 72

約数和(自身を含む): 70085730

約数和(自身を除く): 49218330

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11593, 23186, 34779, 46372, 57965, 69558, 92744, 104337, 115930, 139116, 173895, 208674, 231860, 278232, 289825, 347790, 417348, 463720, 521685, 579650, 695580, 834696, 869475, 1043370, 1159300, 1391160, 1738950, 2086740, 2318600, 2608425, 3477900, 4173480, 5216850, 6955800, 10433700, 20867400]

約数ペア:

[(1, 20867400), (2, 10433700), (3, 6955800), (4, 5216850), (5, 4173480), (6, 3477900), (8, 2608425), (9, 2318600), (10, 2086740), (12, 1738950), (15, 1391160), (18, 1159300), (20, 1043370), (24, 869475), (25, 834696), (30, 695580), (36, 579650), (40, 521685), (45, 463720), (50, 417348), (60, 347790), (72, 289825), (75, 278232), (90, 231860), (100, 208674), (120, 173895), (150, 139116), (180, 115930), (200, 104337), (225, 92744), (300, 69558), (360, 57965), (450, 46372), (600, 34779), (900, 23186), (1800, 11593)]