20180352940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{348779}}^1$

素因数の和:349062

約数の個数: 48

約数和(自身を含む): 46407271680

約数和(自身を除く): 26226918740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1315, 2630, 2893, 5260, 5786, 11572, 14465, 28930, 57860, 348779, 697558, 1395116, 1743895, 3487790, 3836569, 6975580, 7673138, 15346276, 19182845, 38365690, 76731380, 91728877, 183457754, 366915508, 458644385, 917288770, 1009017647, 1834577540, 2018035294, 4036070588, 5045088235, 10090176470, 20180352940]

約数ペア:

[(1, 20180352940), (2, 10090176470), (4, 5045088235), (5, 4036070588), (10, 2018035294), (11, 1834577540), (20, 1009017647), (22, 917288770), (44, 458644385), (55, 366915508), (110, 183457754), (220, 91728877), (263, 76731380), (526, 38365690), (1052, 19182845), (1315, 15346276), (2630, 7673138), (2893, 6975580), (5260, 3836569), (5786, 3487790), (11572, 1743895), (14465, 1395116), (28930, 697558), (57860, 348779)]