20683407

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 30566592

約数和(自身を除く): 9883185

約数列:

[1, 3, 17, 37, 51, 97, 111, 113, 291, 339, 629, 1649, 1887, 1921, 3589, 4181, 4947, 5763, 10767, 10961, 12543, 32883, 61013, 71077, 183039, 186337, 213231, 405557, 559011, 1216671, 6894469, 20683407]

約数ペア:

[(1, 20683407), (3, 6894469), (17, 1216671), (37, 559011), (51, 405557), (97, 213231), (111, 186337), (113, 183039), (291, 71077), (339, 61013), (629, 32883), (1649, 12543), (1887, 10961), (1921, 10767), (3589, 5763), (4181, 4947)]