20191908040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2417}}^1\times {\mathrm{2861}}^1$

素因数の和:5362

約数の個数: 64

約数和(自身を含む): 46089304560

約数和(自身を除く): 25897396520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2417, 2861, 2920, 4834, 5722, 9668, 11444, 12085, 14305, 19336, 22888, 24170, 28610, 48340, 57220, 96680, 114440, 176441, 208853, 352882, 417706, 705764, 835412, 882205, 1044265, 1411528, 1670824, 1764410, 2088530, 3528820, 4177060, 6915037, 7057640, 8354120, 13830074, 27660148, 34575185, 55320296, 69150370, 138300740, 276601480, 504797701, 1009595402, 2019190804, 2523988505, 4038381608, 5047977010, 10095954020, 20191908040]

約数ペア:

[(1, 20191908040), (2, 10095954020), (4, 5047977010), (5, 4038381608), (8, 2523988505), (10, 2019190804), (20, 1009595402), (40, 504797701), (73, 276601480), (146, 138300740), (292, 69150370), (365, 55320296), (584, 34575185), (730, 27660148), (1460, 13830074), (2417, 8354120), (2861, 7057640), (2920, 6915037), (4834, 4177060), (5722, 3528820), (9668, 2088530), (11444, 1764410), (12085, 1670824), (14305, 1411528), (19336, 1044265), (22888, 882205), (24170, 835412), (28610, 705764), (48340, 417706), (57220, 352882), (96680, 208853), (114440, 176441)]