20598940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12409}}^1$

素因数の和:12501

約数の個数: 24

約数和(自身を含む): 43782480

約数和(自身を除く): 23183540

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 12409, 24818, 49636, 62045, 124090, 248180, 1029947, 2059894, 4119788, 5149735, 10299470, 20598940]

約数ペア:

[(1, 20598940), (2, 10299470), (4, 5149735), (5, 4119788), (10, 2059894), (20, 1029947), (83, 248180), (166, 124090), (332, 62045), (415, 49636), (830, 24818), (1660, 12409)]