20001340

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12049}}^1$

素因数の和:12141

約数の個数: 24

約数和(自身を含む): 42512400

約数和(自身を除く): 22511060

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 12049, 24098, 48196, 60245, 120490, 240980, 1000067, 2000134, 4000268, 5000335, 10000670, 20001340]

約数ペア:

[(1, 20001340), (2, 10000670), (4, 5000335), (5, 4000268), (10, 2000134), (20, 1000067), (83, 240980), (166, 120490), (332, 60245), (415, 48196), (830, 24098), (1660, 12049)]