20394200

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{953}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 47909880

約数和(自身を除く): 27515680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 856, 953, 1070, 1906, 2140, 2675, 3812, 4280, 4765, 5350, 7624, 9530, 10700, 19060, 21400, 23825, 38120, 47650, 95300, 101971, 190600, 203942, 407884, 509855, 815768, 1019710, 2039420, 2549275, 4078840, 5098550, 10197100, 20394200]

約数ペア:

[(1, 20394200), (2, 10197100), (4, 5098550), (5, 4078840), (8, 2549275), (10, 2039420), (20, 1019710), (25, 815768), (40, 509855), (50, 407884), (100, 203942), (107, 190600), (200, 101971), (214, 95300), (428, 47650), (535, 38120), (856, 23825), (953, 21400), (1070, 19060), (1906, 10700), (2140, 9530), (2675, 7624), (3812, 5350), (4280, 4765)]