20843108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2803}}^1$

素因数の和:2844

約数の個数: 36

約数和(自身を含む): 43103088

約数和(自身を除く): 22259980

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2803, 3718, 5606, 7436, 11212, 30833, 36439, 61666, 72878, 123332, 145756, 400829, 473707, 801658, 947414, 1603316, 1894828, 5210777, 10421554, 20843108]

約数ペア:

[(1, 20843108), (2, 10421554), (4, 5210777), (11, 1894828), (13, 1603316), (22, 947414), (26, 801658), (44, 473707), (52, 400829), (143, 145756), (169, 123332), (286, 72878), (338, 61666), (572, 36439), (676, 30833), (1859, 11212), (2803, 7436), (3718, 5606)]