20506548

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 51347520

約数和(自身を除く): 30840972

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 53, 57, 76, 106, 114, 159, 212, 228, 318, 636, 1007, 1697, 2014, 3021, 3394, 4028, 5091, 6042, 6788, 10182, 12084, 20364, 32243, 64486, 89941, 96729, 128972, 179882, 193458, 269823, 359764, 386916, 539646, 1079292, 1708879, 3417758, 5126637, 6835516, 10253274, 20506548]

約数ペア:

[(1, 20506548), (2, 10253274), (3, 6835516), (4, 5126637), (6, 3417758), (12, 1708879), (19, 1079292), (38, 539646), (53, 386916), (57, 359764), (76, 269823), (106, 193458), (114, 179882), (159, 128972), (212, 96729), (228, 89941), (318, 64486), (636, 32243), (1007, 20364), (1697, 12084), (2014, 10182), (3021, 6788), (3394, 6042), (4028, 5091)]