20506188

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 49172480

約数和(自身を除く): 28666292

約数列:

[1, 2, 3, 4, 6, 12, 79, 97, 158, 194, 223, 237, 291, 316, 388, 446, 474, 582, 669, 892, 948, 1164, 1338, 2676, 7663, 15326, 17617, 21631, 22989, 30652, 35234, 43262, 45978, 52851, 64893, 70468, 86524, 91956, 105702, 129786, 211404, 259572, 1708849, 3417698, 5126547, 6835396, 10253094, 20506188]

約数ペア:

[(1, 20506188), (2, 10253094), (3, 6835396), (4, 5126547), (6, 3417698), (12, 1708849), (79, 259572), (97, 211404), (158, 129786), (194, 105702), (223, 91956), (237, 86524), (291, 70468), (316, 64893), (388, 52851), (446, 45978), (474, 43262), (582, 35234), (669, 30652), (892, 22989), (948, 21631), (1164, 17617), (1338, 15326), (2676, 7663)]