20845764

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18679}}^1$

素因数の和:18720

約数の個数: 36

約数和(自身を含む): 54396160

約数和(自身を除く): 33550396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18679, 37358, 56037, 74716, 112074, 168111, 224148, 336222, 579049, 672444, 1158098, 1737147, 2316196, 3474294, 5211441, 6948588, 10422882, 20845764]

約数ペア:

[(1, 20845764), (2, 10422882), (3, 6948588), (4, 5211441), (6, 3474294), (9, 2316196), (12, 1737147), (18, 1158098), (31, 672444), (36, 579049), (62, 336222), (93, 224148), (124, 168111), (186, 112074), (279, 74716), (372, 56037), (558, 37358), (1116, 18679)]