20165681756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1\times {\mathrm{7873}}^1$

素因数の和:10442

約数の個数: 48

約数和(自身を含む): 40192927488

約数和(自身を除く): 20027245732

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 2531, 5062, 7873, 10124, 15746, 27841, 31492, 55682, 58213, 86603, 111364, 116426, 173206, 181079, 232852, 346412, 362158, 640343, 724316, 1280686, 1991869, 2561372, 3983738, 7967476, 19926563, 39853126, 79706252, 219192193, 438384386, 458310949, 876768772, 916621898, 1833243796, 5041420439, 10082840878, 20165681756]

約数ペア:

[(1, 20165681756), (2, 10082840878), (4, 5041420439), (11, 1833243796), (22, 916621898), (23, 876768772), (44, 458310949), (46, 438384386), (92, 219192193), (253, 79706252), (506, 39853126), (1012, 19926563), (2531, 7967476), (5062, 3983738), (7873, 2561372), (10124, 1991869), (15746, 1280686), (27841, 724316), (31492, 640343), (55682, 362158), (58213, 346412), (86603, 232852), (111364, 181079), (116426, 173206)]