20652643870

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:913

約数の個数: 64

約数和(自身を含む): 37920960000

約数和(自身を除く): 17268316130

約数列:

[1, 2, 5, 10, 131, 199, 227, 262, 349, 398, 454, 655, 698, 995, 1135, 1310, 1745, 1990, 2270, 3490, 26069, 29737, 45173, 45719, 52138, 59474, 69451, 79223, 90346, 91438, 130345, 138902, 148685, 158446, 225865, 228595, 260690, 297370, 347255, 396115, 451730, 457190, 694510, 792230, 5917663, 9098081, 10378213, 11835326, 15765377, 18196162, 20756426, 29588315, 31530754, 45490405, 51891065, 59176630, 78826885, 90980810, 103782130, 157653770, 2065264387, 4130528774, 10326321935, 20652643870]

約数ペア:

[(1, 20652643870), (2, 10326321935), (5, 4130528774), (10, 2065264387), (131, 157653770), (199, 103782130), (227, 90980810), (262, 78826885), (349, 59176630), (398, 51891065), (454, 45490405), (655, 31530754), (698, 29588315), (995, 20756426), (1135, 18196162), (1310, 15765377), (1745, 11835326), (1990, 10378213), (2270, 9098081), (3490, 5917663), (26069, 792230), (29737, 694510), (45173, 457190), (45719, 451730), (52138, 396115), (59474, 347255), (69451, 297370), (79223, 260690), (90346, 228595), (91438, 225865), (130345, 158446), (138902, 148685)]