20463552260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{131059}}^1$

素因数の和:131316

約数の個数: 48

約数和(自身を含む): 44344413120

約数和(自身を除く): 23880860860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 211, 370, 422, 740, 844, 1055, 2110, 4220, 7807, 15614, 31228, 39035, 78070, 131059, 156140, 262118, 524236, 655295, 1310590, 2621180, 4849183, 9698366, 19396732, 24245915, 27653449, 48491830, 55306898, 96983660, 110613796, 138267245, 276534490, 553068980, 1023177613, 2046355226, 4092710452, 5115888065, 10231776130, 20463552260]

約数ペア:

[(1, 20463552260), (2, 10231776130), (4, 5115888065), (5, 4092710452), (10, 2046355226), (20, 1023177613), (37, 553068980), (74, 276534490), (148, 138267245), (185, 110613796), (211, 96983660), (370, 55306898), (422, 48491830), (740, 27653449), (844, 24245915), (1055, 19396732), (2110, 9698366), (4220, 4849183), (7807, 2621180), (15614, 1310590), (31228, 655295), (39035, 524236), (78070, 262118), (131059, 156140)]