20180858866

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{19867}}^1$

素因数の和:20003

約数の個数: 48

約数和(自身を含む): 36228741696

約数和(自身を除く): 16047882830

約数列:

[1, 2, 7, 14, 37, 53, 74, 106, 259, 371, 518, 742, 1369, 1961, 2738, 3922, 9583, 13727, 19166, 19867, 27454, 39734, 72557, 139069, 145114, 278138, 507899, 735079, 1015798, 1052951, 1470158, 2105902, 5145553, 7370657, 10291106, 14741314, 27197923, 38959187, 54395846, 77918374, 190385461, 272714309, 380770922, 545428618, 1441489919, 2882979838, 10090429433, 20180858866]

約数ペア:

[(1, 20180858866), (2, 10090429433), (7, 2882979838), (14, 1441489919), (37, 545428618), (53, 380770922), (74, 272714309), (106, 190385461), (259, 77918374), (371, 54395846), (518, 38959187), (742, 27197923), (1369, 14741314), (1961, 10291106), (2738, 7370657), (3922, 5145553), (9583, 2105902), (13727, 1470158), (19166, 1052951), (19867, 1015798), (27454, 735079), (39734, 507899), (72557, 278138), (139069, 145114)]