393332020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{236947}}^1$

素因数の和:237039

約数の個数: 24

約数和(自身を含む): 835952544

約数和(自身を除く): 442620524

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 236947, 473894, 947788, 1184735, 2369470, 4738940, 19666601, 39333202, 78666404, 98333005, 196666010, 393332020]

約数ペア:

[(1, 393332020), (2, 196666010), (4, 98333005), (5, 78666404), (10, 39333202), (20, 19666601), (83, 4738940), (166, 2369470), (332, 1184735), (415, 947788), (830, 473894), (1660, 236947)]