20342000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{1453}}^1$

素因数の和:1483

約数の個数: 80

約数和(自身を含む): 56252352

約数和(自身を除く): 35910352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1453, 1750, 2000, 2800, 2906, 3500, 5812, 7000, 7265, 10171, 11624, 14000, 14530, 20342, 23248, 29060, 36325, 40684, 50855, 58120, 72650, 81368, 101710, 116240, 145300, 162736, 181625, 203420, 254275, 290600, 363250, 406840, 508550, 581200, 726500, 813680, 1017100, 1271375, 1453000, 2034200, 2542750, 2906000, 4068400, 5085500, 10171000, 20342000]

約数ペア:

[(1, 20342000), (2, 10171000), (4, 5085500), (5, 4068400), (7, 2906000), (8, 2542750), (10, 2034200), (14, 1453000), (16, 1271375), (20, 1017100), (25, 813680), (28, 726500), (35, 581200), (40, 508550), (50, 406840), (56, 363250), (70, 290600), (80, 254275), (100, 203420), (112, 181625), (125, 162736), (140, 145300), (175, 116240), (200, 101710), (250, 81368), (280, 72650), (350, 58120), (400, 50855), (500, 40684), (560, 36325), (700, 29060), (875, 23248), (1000, 20342), (1400, 14530), (1453, 14000), (1750, 11624), (2000, 10171), (2800, 7265), (2906, 7000), (3500, 5812)]