20021500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1741}}^1$

素因数の和:1783

約数の個数: 48

約数和(自身を含む): 45654336

約数和(自身を除く): 25632836

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 1741, 2300, 2875, 3482, 5750, 6964, 8705, 11500, 17410, 34820, 40043, 43525, 80086, 87050, 160172, 174100, 200215, 217625, 400430, 435250, 800860, 870500, 1001075, 2002150, 4004300, 5005375, 10010750, 20021500]

約数ペア:

[(1, 20021500), (2, 10010750), (4, 5005375), (5, 4004300), (10, 2002150), (20, 1001075), (23, 870500), (25, 800860), (46, 435250), (50, 400430), (92, 217625), (100, 200215), (115, 174100), (125, 160172), (230, 87050), (250, 80086), (460, 43525), (500, 40043), (575, 34820), (1150, 17410), (1741, 11500), (2300, 8705), (2875, 6964), (3482, 5750)]