16720164

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{4261}}^1$

素因数の和:4380

約数の個数: 36

約数和(自身を含む): 42662620

約数和(自身を除く): 25942456

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 4261, 8522, 12783, 17044, 25566, 38349, 51132, 76698, 153396, 464449, 928898, 1393347, 1857796, 2786694, 4180041, 5573388, 8360082, 16720164]

約数ペア:

[(1, 16720164), (2, 8360082), (3, 5573388), (4, 4180041), (6, 2786694), (9, 1857796), (12, 1393347), (18, 928898), (36, 464449), (109, 153396), (218, 76698), (327, 51132), (436, 38349), (654, 25566), (981, 17044), (1308, 12783), (1962, 8522), (3924, 4261)]