20461920188

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{376609}}^1$

素因数の和:376694

約数の個数: 36

約数和(自身を含む): 38848074720

約数和(自身を除く): 18386154532

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 289, 578, 799, 1156, 1598, 3196, 13583, 27166, 54332, 376609, 753218, 1506436, 6402353, 12804706, 17700623, 25609412, 35401246, 70802492, 108840001, 217680002, 300910591, 435360004, 601821182, 1203642364, 5115480047, 10230960094, 20461920188]

約数ペア:

[(1, 20461920188), (2, 10230960094), (4, 5115480047), (17, 1203642364), (34, 601821182), (47, 435360004), (68, 300910591), (94, 217680002), (188, 108840001), (289, 70802492), (578, 35401246), (799, 25609412), (1156, 17700623), (1598, 12804706), (3196, 6402353), (13583, 1506436), (27166, 753218), (54332, 376609)]