20009373800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7695913}}^1$

素因数の和:7695942

約数の個数: 48

約数和(自身を含む): 50100400140

約数和(自身を除く): 30091026340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7695913, 15391826, 30783652, 38479565, 61567304, 76959130, 100046869, 153918260, 192397825, 200093738, 307836520, 384795650, 400187476, 500234345, 769591300, 800374952, 1000468690, 1539182600, 2000937380, 2501171725, 4001874760, 5002343450, 10004686900, 20009373800]

約数ペア:

[(1, 20009373800), (2, 10004686900), (4, 5002343450), (5, 4001874760), (8, 2501171725), (10, 2000937380), (13, 1539182600), (20, 1000468690), (25, 800374952), (26, 769591300), (40, 500234345), (50, 400187476), (52, 384795650), (65, 307836520), (100, 200093738), (104, 192397825), (130, 153918260), (200, 100046869), (260, 76959130), (325, 61567304), (520, 38479565), (650, 30783652), (1300, 15391826), (2600, 7695913)]