20648133020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1412321}}^1$

素因数の和:1412390

約数の個数: 48

約数和(自身を含む): 46979479008

約数和(自身を除く): 26331345988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 1412321, 2824642, 5649284, 7061605, 14123210, 24009457, 28246420, 48018914, 60729803, 96037828, 120047285, 121459606, 240094570, 242919212, 303649015, 480189140, 607298030, 1032406651, 1214596060, 2064813302, 4129626604, 5162033255, 10324066510, 20648133020]

約数ペア:

[(1, 20648133020), (2, 10324066510), (4, 5162033255), (5, 4129626604), (10, 2064813302), (17, 1214596060), (20, 1032406651), (34, 607298030), (43, 480189140), (68, 303649015), (85, 242919212), (86, 240094570), (170, 121459606), (172, 120047285), (215, 96037828), (340, 60729803), (430, 48018914), (731, 28246420), (860, 24009457), (1462, 14123210), (2924, 7061605), (3655, 5649284), (7310, 2824642), (14620, 1412321)]