20039400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{1237}}^1$

素因数の和:1265

約数の個数: 120

約数和(自身を含む): 69656070

約数和(自身を除く): 49616670

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 270, 300, 324, 360, 405, 450, 540, 600, 648, 675, 810, 900, 1080, 1237, 1350, 1620, 1800, 2025, 2474, 2700, 3240, 3711, 4050, 4948, 5400, 6185, 7422, 8100, 9896, 11133, 12370, 14844, 16200, 18555, 22266, 24740, 29688, 30925, 33399, 37110, 44532, 49480, 55665, 61850, 66798, 74220, 89064, 92775, 100197, 111330, 123700, 133596, 148440, 166995, 185550, 200394, 222660, 247400, 267192, 278325, 333990, 371100, 400788, 445320, 500985, 556650, 667980, 742200, 801576, 834975, 1001970, 1113300, 1335960, 1669950, 2003940, 2226600, 2504925, 3339900, 4007880, 5009850, 6679800, 10019700, 20039400]

約数ペア:

[(1, 20039400), (2, 10019700), (3, 6679800), (4, 5009850), (5, 4007880), (6, 3339900), (8, 2504925), (9, 2226600), (10, 2003940), (12, 1669950), (15, 1335960), (18, 1113300), (20, 1001970), (24, 834975), (25, 801576), (27, 742200), (30, 667980), (36, 556650), (40, 500985), (45, 445320), (50, 400788), (54, 371100), (60, 333990), (72, 278325), (75, 267192), (81, 247400), (90, 222660), (100, 200394), (108, 185550), (120, 166995), (135, 148440), (150, 133596), (162, 123700), (180, 111330), (200, 100197), (216, 92775), (225, 89064), (270, 74220), (300, 66798), (324, 61850), (360, 55665), (405, 49480), (450, 44532), (540, 37110), (600, 33399), (648, 30925), (675, 29688), (810, 24740), (900, 22266), (1080, 18555), (1237, 16200), (1350, 14844), (1620, 12370), (1800, 11133), (2025, 9896), (2474, 8100), (2700, 7422), (3240, 6185), (3711, 5400), (4050, 4948)]