20163926460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{684451}}^1$

素因数の和:684954

約数の個数: 48

約数和(自身を含む): 56574064512

約数和(自身を除く): 36410138052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 982, 1473, 1964, 2455, 2946, 4910, 5892, 7365, 9820, 14730, 29460, 684451, 1368902, 2053353, 2737804, 3422255, 4106706, 6844510, 8213412, 10266765, 13689020, 20533530, 41067060, 336065441, 672130882, 1008196323, 1344261764, 1680327205, 2016392646, 3360654410, 4032785292, 5040981615, 6721308820, 10081963230, 20163926460]

約数ペア:

[(1, 20163926460), (2, 10081963230), (3, 6721308820), (4, 5040981615), (5, 4032785292), (6, 3360654410), (10, 2016392646), (12, 1680327205), (15, 1344261764), (20, 1008196323), (30, 672130882), (60, 336065441), (491, 41067060), (982, 20533530), (1473, 13689020), (1964, 10266765), (2455, 8213412), (2946, 6844510), (4910, 4106706), (5892, 3422255), (7365, 2737804), (9820, 2053353), (14730, 1368902), (29460, 684451)]