1520784820

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{55061}}^1$

素因数の和:56451

約数の個数: 24

約数和(自身を含む): 3196018728

約数和(自身を除く): 1675233908

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 5524, 6905, 13810, 27620, 55061, 110122, 220244, 275305, 550610, 1101220, 76039241, 152078482, 304156964, 380196205, 760392410, 1520784820]

約数ペア:

[(1, 1520784820), (2, 760392410), (4, 380196205), (5, 304156964), (10, 152078482), (20, 76039241), (1381, 1101220), (2762, 550610), (5524, 275305), (6905, 220244), (13810, 110122), (27620, 55061)]