20994392

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3733}}^1$

素因数の和:3795

約数の個数: 32

約数和(自身を含む): 42567600

約数和(自身を除く): 21573208

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3733, 5624, 7466, 14932, 29864, 70927, 138121, 141854, 276242, 283708, 552484, 567416, 1104968, 2624299, 5248598, 10497196, 20994392]

約数ペア:

[(1, 20994392), (2, 10497196), (4, 5248598), (8, 2624299), (19, 1104968), (37, 567416), (38, 552484), (74, 283708), (76, 276242), (148, 141854), (152, 138121), (296, 70927), (703, 29864), (1406, 14932), (2812, 7466), (3733, 5624)]