20197656872

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{421}}^1\times {\mathrm{38197}}^1$

素因数の和:38781

約数の個数: 32

約数和(自身を含む): 38203347720

約数和(自身を除く): 18005690848

約数列:

[1, 2, 4, 8, 157, 314, 421, 628, 842, 1256, 1684, 3368, 38197, 66097, 76394, 132194, 152788, 264388, 305576, 528776, 5996929, 11993858, 16080937, 23987716, 32161874, 47975432, 64323748, 128647496, 2524707109, 5049414218, 10098828436, 20197656872]

約数ペア:

[(1, 20197656872), (2, 10098828436), (4, 5049414218), (8, 2524707109), (157, 128647496), (314, 64323748), (421, 47975432), (628, 32161874), (842, 23987716), (1256, 16080937), (1684, 11993858), (3368, 5996929), (38197, 528776), (66097, 305576), (76394, 264388), (132194, 152788)]