20809734

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1091}}^1$

素因数の和:1141

約数の個数: 48

約数和(自身を含む): 48275136

約数和(自身を除く): 27465402

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 187, 289, 374, 561, 578, 867, 1091, 1122, 1734, 2182, 3179, 3273, 6358, 6546, 9537, 12001, 18547, 19074, 24002, 36003, 37094, 55641, 72006, 111282, 204017, 315299, 408034, 612051, 630598, 945897, 1224102, 1891794, 3468289, 6936578, 10404867, 20809734]

約数ペア:

[(1, 20809734), (2, 10404867), (3, 6936578), (6, 3468289), (11, 1891794), (17, 1224102), (22, 945897), (33, 630598), (34, 612051), (51, 408034), (66, 315299), (102, 204017), (187, 111282), (289, 72006), (374, 55641), (561, 37094), (578, 36003), (867, 24002), (1091, 19074), (1122, 18547), (1734, 12001), (2182, 9537), (3179, 6546), (3273, 6358)]