20144090920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{883}}^1$

素因数の和:1235

約数の個数: 128

約数和(自身を含む): 47957495040

約数和(自身を除く): 27813404120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 137, 181, 184, 230, 274, 362, 460, 548, 685, 724, 883, 905, 920, 1096, 1370, 1448, 1766, 1810, 2740, 3151, 3532, 3620, 4163, 4415, 5480, 6302, 7064, 7240, 8326, 8830, 12604, 15755, 16652, 17660, 20309, 20815, 24797, 25208, 31510, 33304, 35320, 40618, 41630, 49594, 63020, 81236, 83260, 99188, 101545, 120971, 123985, 126040, 159823, 162472, 166520, 198376, 203090, 241942, 247970, 319646, 406180, 483884, 495940, 570331, 604855, 639292, 799115, 812360, 967768, 991880, 1140662, 1209710, 1278584, 1598230, 2281324, 2419420, 2782333, 2851655, 3196460, 3675929, 4562648, 4838840, 5564666, 5703310, 6392920, 7351858, 11129332, 11406620, 13911665, 14703716, 18379645, 21895751, 22258664, 22813240, 27823330, 29407432, 36759290, 43791502, 55646660, 73518580, 87583004, 109478755, 111293320, 147037160, 175166008, 218957510, 437915020, 503602273, 875830040, 1007204546, 2014409092, 2518011365, 4028818184, 5036022730, 10072045460, 20144090920]

約数ペア:

[(1, 20144090920), (2, 10072045460), (4, 5036022730), (5, 4028818184), (8, 2518011365), (10, 2014409092), (20, 1007204546), (23, 875830040), (40, 503602273), (46, 437915020), (92, 218957510), (115, 175166008), (137, 147037160), (181, 111293320), (184, 109478755), (230, 87583004), (274, 73518580), (362, 55646660), (460, 43791502), (548, 36759290), (685, 29407432), (724, 27823330), (883, 22813240), (905, 22258664), (920, 21895751), (1096, 18379645), (1370, 14703716), (1448, 13911665), (1766, 11406620), (1810, 11129332), (2740, 7351858), (3151, 6392920), (3532, 5703310), (3620, 5564666), (4163, 4838840), (4415, 4562648), (5480, 3675929), (6302, 3196460), (7064, 2851655), (7240, 2782333), (8326, 2419420), (8830, 2281324), (12604, 1598230), (15755, 1278584), (16652, 1209710), (17660, 1140662), (20309, 991880), (20815, 967768), (24797, 812360), (25208, 799115), (31510, 639292), (33304, 604855), (35320, 570331), (40618, 495940), (41630, 483884), (49594, 406180), (63020, 319646), (81236, 247970), (83260, 241942), (99188, 203090), (101545, 198376), (120971, 166520), (123985, 162472), (126040, 159823)]