20076546740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{83243}}^1$

素因数の和:83672

約数の個数: 48

約数和(自身を含む): 43633175040

約数和(自身を除く): 23556628300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 389, 620, 778, 1556, 1945, 3890, 7780, 12059, 24118, 48236, 60295, 83243, 120590, 166486, 241180, 332972, 416215, 832430, 1664860, 2580533, 5161066, 10322132, 12902665, 25805330, 32381527, 51610660, 64763054, 129526108, 161907635, 323815270, 647630540, 1003827337, 2007654674, 4015309348, 5019136685, 10038273370, 20076546740]

約数ペア:

[(1, 20076546740), (2, 10038273370), (4, 5019136685), (5, 4015309348), (10, 2007654674), (20, 1003827337), (31, 647630540), (62, 323815270), (124, 161907635), (155, 129526108), (310, 64763054), (389, 51610660), (620, 32381527), (778, 25805330), (1556, 12902665), (1945, 10322132), (3890, 5161066), (7780, 2580533), (12059, 1664860), (24118, 832430), (48236, 416215), (60295, 332972), (83243, 241180), (120590, 166486)]