20981610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:332

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 38772630

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 79, 90, 117, 130, 158, 195, 227, 234, 237, 390, 395, 454, 474, 585, 681, 711, 790, 1027, 1135, 1170, 1185, 1362, 1422, 2043, 2054, 2270, 2370, 2951, 3081, 3405, 3555, 4086, 5135, 5902, 6162, 6810, 7110, 8853, 9243, 10215, 10270, 14755, 15405, 17706, 17933, 18486, 20430, 26559, 29510, 30810, 35866, 44265, 46215, 53118, 53799, 88530, 89665, 92430, 107598, 132795, 161397, 179330, 233129, 265590, 268995, 322794, 466258, 537990, 699387, 806985, 1165645, 1398774, 1613970, 2098161, 2331290, 3496935, 4196322, 6993870, 10490805, 20981610]

約数ペア:

[(1, 20981610), (2, 10490805), (3, 6993870), (5, 4196322), (6, 3496935), (9, 2331290), (10, 2098161), (13, 1613970), (15, 1398774), (18, 1165645), (26, 806985), (30, 699387), (39, 537990), (45, 466258), (65, 322794), (78, 268995), (79, 265590), (90, 233129), (117, 179330), (130, 161397), (158, 132795), (195, 107598), (227, 92430), (234, 89665), (237, 88530), (390, 53799), (395, 53118), (454, 46215), (474, 44265), (585, 35866), (681, 30810), (711, 29510), (790, 26559), (1027, 20430), (1135, 18486), (1170, 17933), (1185, 17706), (1362, 15405), (1422, 14755), (2043, 10270), (2054, 10215), (2270, 9243), (2370, 8853), (2951, 7110), (3081, 6810), (3405, 6162), (3555, 5902), (4086, 5135)]