20282760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 66680640

約数和(自身を除く): 46397880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 103, 120, 180, 206, 309, 360, 412, 515, 547, 618, 824, 927, 1030, 1094, 1236, 1545, 1641, 1854, 2060, 2188, 2472, 2735, 3090, 3282, 3708, 4120, 4376, 4635, 4923, 5470, 6180, 6564, 7416, 8205, 9270, 9846, 10940, 12360, 13128, 16410, 18540, 19692, 21880, 24615, 32820, 37080, 39384, 49230, 56341, 65640, 98460, 112682, 169023, 196920, 225364, 281705, 338046, 450728, 507069, 563410, 676092, 845115, 1014138, 1126820, 1352184, 1690230, 2028276, 2253640, 2535345, 3380460, 4056552, 5070690, 6760920, 10141380, 20282760]

約数ペア:

[(1, 20282760), (2, 10141380), (3, 6760920), (4, 5070690), (5, 4056552), (6, 3380460), (8, 2535345), (9, 2253640), (10, 2028276), (12, 1690230), (15, 1352184), (18, 1126820), (20, 1014138), (24, 845115), (30, 676092), (36, 563410), (40, 507069), (45, 450728), (60, 338046), (72, 281705), (90, 225364), (103, 196920), (120, 169023), (180, 112682), (206, 98460), (309, 65640), (360, 56341), (412, 49230), (515, 39384), (547, 37080), (618, 32820), (824, 24615), (927, 21880), (1030, 19692), (1094, 18540), (1236, 16410), (1545, 13128), (1641, 12360), (1854, 10940), (2060, 9846), (2188, 9270), (2472, 8205), (2735, 7416), (3090, 6564), (3282, 6180), (3708, 5470), (4120, 4923), (4376, 4635)]