20618686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 15306434

約数列:

[1, 2, 11, 19, 22, 38, 107, 209, 214, 418, 461, 922, 1177, 2033, 2354, 4066, 5071, 8759, 10142, 17518, 22363, 44726, 49327, 96349, 98654, 192698, 542597, 937213, 1085194, 1874426, 10309343, 20618686]

約数ペア:

[(1, 20618686), (2, 10309343), (11, 1874426), (19, 1085194), (22, 937213), (38, 542597), (107, 192698), (209, 98654), (214, 96349), (418, 49327), (461, 44726), (922, 22363), (1177, 17518), (2033, 10142), (2354, 8759), (4066, 5071)]