20557300

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{853}}^1$

素因数の和:1108

約数の個数: 36

約数和(自身を含む): 44846956

約数和(自身を除く): 24289656

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 853, 964, 1205, 1706, 2410, 3412, 4265, 4820, 6025, 8530, 12050, 17060, 21325, 24100, 42650, 85300, 205573, 411146, 822292, 1027865, 2055730, 4111460, 5139325, 10278650, 20557300]

約数ペア:

[(1, 20557300), (2, 10278650), (4, 5139325), (5, 4111460), (10, 2055730), (20, 1027865), (25, 822292), (50, 411146), (100, 205573), (241, 85300), (482, 42650), (853, 24100), (964, 21325), (1205, 17060), (1706, 12050), (2410, 8530), (3412, 6025), (4265, 4820)]