20020208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3319}}^1$

素因数の和:3369

約数の個数: 40

約数和(自身を含む): 43226400

約数和(自身を除く): 23206192

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3319, 6032, 6638, 13276, 26552, 43147, 53104, 86294, 96251, 172588, 192502, 345176, 385004, 690352, 770008, 1251263, 1540016, 2502526, 5005052, 10010104, 20020208]

約数ペア:

[(1, 20020208), (2, 10010104), (4, 5005052), (8, 2502526), (13, 1540016), (16, 1251263), (26, 770008), (29, 690352), (52, 385004), (58, 345176), (104, 192502), (116, 172588), (208, 96251), (232, 86294), (377, 53104), (464, 43147), (754, 26552), (1508, 13276), (3016, 6638), (3319, 6032)]