20548424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10399}}^1$

素因数の和:10437

約数の個数: 32

約数和(自身を含む): 43680000

約数和(自身を除く): 23131576

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10399, 20798, 41596, 83192, 135187, 197581, 270374, 395162, 540748, 790324, 1081496, 1580648, 2568553, 5137106, 10274212, 20548424]

約数ペア:

[(1, 20548424), (2, 10274212), (4, 5137106), (8, 2568553), (13, 1580648), (19, 1081496), (26, 790324), (38, 540748), (52, 395162), (76, 270374), (104, 197581), (152, 135187), (247, 83192), (494, 41596), (988, 20798), (1976, 10399)]