20145648950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1984793}}^1$

素因数の和:1984841

約数の個数: 48

約数和(自身を含む): 44300602080

約数和(自身を除く): 24154953130

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 2030, 5075, 10150, 1984793, 3969586, 9923965, 13893551, 19847930, 27787102, 49619825, 57558997, 69467755, 99239650, 115117994, 138935510, 287794985, 347338775, 402912979, 575589970, 694677550, 805825958, 1438974925, 2014564895, 2877949850, 4029129790, 10072824475, 20145648950]

約数ペア:

[(1, 20145648950), (2, 10072824475), (5, 4029129790), (7, 2877949850), (10, 2014564895), (14, 1438974925), (25, 805825958), (29, 694677550), (35, 575589970), (50, 402912979), (58, 347338775), (70, 287794985), (145, 138935510), (175, 115117994), (203, 99239650), (290, 69467755), (350, 57558997), (406, 49619825), (725, 27787102), (1015, 19847930), (1450, 13893551), (2030, 9923965), (5075, 3969586), (10150, 1984793)]