20593648

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:661

約数の個数: 40

約数和(自身を含む): 42104448

約数和(自身を除く): 21510800

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 107, 184, 214, 368, 428, 523, 856, 1046, 1712, 2092, 2461, 4184, 4922, 8368, 9844, 12029, 19688, 24058, 39376, 48116, 55961, 96232, 111922, 192464, 223844, 447688, 895376, 1287103, 2574206, 5148412, 10296824, 20593648]

約数ペア:

[(1, 20593648), (2, 10296824), (4, 5148412), (8, 2574206), (16, 1287103), (23, 895376), (46, 447688), (92, 223844), (107, 192464), (184, 111922), (214, 96232), (368, 55961), (428, 48116), (523, 39376), (856, 24058), (1046, 19688), (1712, 12029), (2092, 9844), (2461, 8368), (4184, 4922)]