20194968145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{17509}}^1$

素因数の和:17905

約数の個数: 32

約数和(自身を含む): 26918893440

約数和(自身を除く): 6723925295

約数列:

[1, 5, 11, 55, 67, 313, 335, 737, 1565, 3443, 3685, 17215, 17509, 20971, 87545, 104855, 192599, 230681, 962995, 1153405, 1173103, 5480317, 5865515, 12904133, 27401585, 60283487, 64520665, 301417435, 367181239, 1835906195, 4038993629, 20194968145]

約数ペア:

[(1, 20194968145), (5, 4038993629), (11, 1835906195), (55, 367181239), (67, 301417435), (313, 64520665), (335, 60283487), (737, 27401585), (1565, 12904133), (3443, 5865515), (3685, 5480317), (17215, 1173103), (17509, 1153405), (20971, 962995), (87545, 230681), (104855, 192599)]