20400204

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9091}}^1$

素因数の和:9126

約数の個数: 48

約数和(自身を含む): 54988416

約数和(自身を除く): 34588212

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 374, 561, 748, 1122, 2244, 9091, 18182, 27273, 36364, 54546, 100001, 109092, 154547, 200002, 300003, 309094, 400004, 463641, 600006, 618188, 927282, 1200012, 1700017, 1854564, 3400034, 5100051, 6800068, 10200102, 20400204]

約数ペア:

[(1, 20400204), (2, 10200102), (3, 6800068), (4, 5100051), (6, 3400034), (11, 1854564), (12, 1700017), (17, 1200012), (22, 927282), (33, 618188), (34, 600006), (44, 463641), (51, 400004), (66, 309094), (68, 300003), (102, 200002), (132, 154547), (187, 109092), (204, 100001), (374, 54546), (561, 36364), (748, 27273), (1122, 18182), (2244, 9091)]