20199132008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{16127}}^1$

素因数の和:16518

約数の個数: 64

約数和(自身を含む): 42407608320

約数和(自身を除く): 22208476312

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 331, 344, 473, 662, 946, 1324, 1892, 2648, 3641, 3784, 7282, 14233, 14564, 16127, 28466, 29128, 32254, 56932, 64508, 113864, 129016, 156563, 177397, 313126, 354794, 626252, 693461, 709588, 1252504, 1386922, 1419176, 2773844, 5338037, 5547688, 7628071, 10676074, 15256142, 21352148, 30512284, 42704296, 58718407, 61024568, 117436814, 229535591, 234873628, 459071182, 469747256, 918142364, 1836284728, 2524891501, 5049783002, 10099566004, 20199132008]

約数ペア:

[(1, 20199132008), (2, 10099566004), (4, 5049783002), (8, 2524891501), (11, 1836284728), (22, 918142364), (43, 469747256), (44, 459071182), (86, 234873628), (88, 229535591), (172, 117436814), (331, 61024568), (344, 58718407), (473, 42704296), (662, 30512284), (946, 21352148), (1324, 15256142), (1892, 10676074), (2648, 7628071), (3641, 5547688), (3784, 5338037), (7282, 2773844), (14233, 1419176), (14564, 1386922), (16127, 1252504), (28466, 709588), (29128, 693461), (32254, 626252), (56932, 354794), (64508, 313126), (113864, 177397), (129016, 156563)]