20015910

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8237}}^1$

素因数の和:8259

約数の個数: 48

約数和(自身を含む): 53975376

約数和(自身を除く): 33959466

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8237, 16474, 24711, 41185, 49422, 74133, 82370, 123555, 148266, 222399, 247110, 370665, 444798, 667197, 741330, 1111995, 1334394, 2001591, 2223990, 3335985, 4003182, 6671970, 10007955, 20015910]

約数ペア:

[(1, 20015910), (2, 10007955), (3, 6671970), (5, 4003182), (6, 3335985), (9, 2223990), (10, 2001591), (15, 1334394), (18, 1111995), (27, 741330), (30, 667197), (45, 444798), (54, 370665), (81, 247110), (90, 222399), (135, 148266), (162, 123555), (243, 82370), (270, 74133), (405, 49422), (486, 41185), (810, 24711), (1215, 16474), (2430, 8237)]