20996957570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1\times {\mathrm{86539}}^1$

素因数の和:87842

約数の個数: 32

約数和(自身を含む): 39815323200

約数和(自身を除く): 18818365630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1277, 2554, 6385, 12770, 24263, 48526, 86539, 121315, 173078, 242630, 432695, 865390, 1644241, 3288482, 8221205, 16442410, 110510303, 221020606, 552551515, 1105103030, 2099695757, 4199391514, 10498478785, 20996957570]

約数ペア:

[(1, 20996957570), (2, 10498478785), (5, 4199391514), (10, 2099695757), (19, 1105103030), (38, 552551515), (95, 221020606), (190, 110510303), (1277, 16442410), (2554, 8221205), (6385, 3288482), (12770, 1644241), (24263, 865390), (48526, 432695), (86539, 242630), (121315, 173078)]