20391360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1931}}^1$

素因数の和:1962

約数の個数: 112

約数和(自身を含む): 70664832

約数和(自身を除く): 50273472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 1931, 2112, 2640, 3520, 3862, 5280, 5793, 7724, 9655, 10560, 11586, 15448, 19310, 21241, 23172, 28965, 30896, 38620, 42482, 46344, 57930, 61792, 63723, 77240, 84964, 92688, 106205, 115860, 123584, 127446, 154480, 169928, 185376, 212410, 231720, 254892, 308960, 318615, 339856, 370752, 424820, 463440, 509784, 617920, 637230, 679712, 849640, 926880, 1019568, 1274460, 1359424, 1699280, 1853760, 2039136, 2548920, 3398560, 4078272, 5097840, 6797120, 10195680, 20391360]

約数ペア:

[(1, 20391360), (2, 10195680), (3, 6797120), (4, 5097840), (5, 4078272), (6, 3398560), (8, 2548920), (10, 2039136), (11, 1853760), (12, 1699280), (15, 1359424), (16, 1274460), (20, 1019568), (22, 926880), (24, 849640), (30, 679712), (32, 637230), (33, 617920), (40, 509784), (44, 463440), (48, 424820), (55, 370752), (60, 339856), (64, 318615), (66, 308960), (80, 254892), (88, 231720), (96, 212410), (110, 185376), (120, 169928), (132, 154480), (160, 127446), (165, 123584), (176, 115860), (192, 106205), (220, 92688), (240, 84964), (264, 77240), (320, 63723), (330, 61792), (352, 57930), (440, 46344), (480, 42482), (528, 38620), (660, 30896), (704, 28965), (880, 23172), (960, 21241), (1056, 19310), (1320, 15448), (1760, 11586), (1931, 10560), (2112, 9655), (2640, 7724), (3520, 5793), (3862, 5280)]