20964996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44797}}^1$

素因数の和:44820

約数の個数: 36

約数和(自身を含む): 57072652

約数和(自身を除く): 36107656

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44797, 89594, 134391, 179188, 268782, 403173, 537564, 582361, 806346, 1164722, 1612692, 1747083, 2329444, 3494166, 5241249, 6988332, 10482498, 20964996]

約数ペア:

[(1, 20964996), (2, 10482498), (3, 6988332), (4, 5241249), (6, 3494166), (9, 2329444), (12, 1747083), (13, 1612692), (18, 1164722), (26, 806346), (36, 582361), (39, 537564), (52, 403173), (78, 268782), (117, 179188), (156, 134391), (234, 89594), (468, 44797)]