20801221666

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1\times {\mathrm{9817}}^1$

素因数の和:10546

約数の個数: 32

約数和(自身を含む): 33060112128

約数和(自身を除く): 12258890462

約数列:

[1, 2, 23, 46, 73, 146, 631, 1262, 1679, 3358, 9817, 14513, 19634, 29026, 46063, 92126, 225791, 451582, 716641, 1059449, 1433282, 2118898, 6194527, 12389054, 16482743, 32965486, 142474121, 284948242, 452200471, 904400942, 10400610833, 20801221666]

約数ペア:

[(1, 20801221666), (2, 10400610833), (23, 904400942), (46, 452200471), (73, 284948242), (146, 142474121), (631, 32965486), (1262, 16482743), (1679, 12389054), (3358, 6194527), (9817, 2118898), (14513, 1433282), (19634, 1059449), (29026, 716641), (46063, 451582), (92126, 225791)]