20452336

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 41738400

約数和(自身を除く): 21286064

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 149, 184, 298, 368, 373, 596, 746, 1192, 1492, 2384, 2984, 3427, 5968, 6854, 8579, 13708, 17158, 27416, 34316, 54832, 55577, 68632, 111154, 137264, 222308, 444616, 889232, 1278271, 2556542, 5113084, 10226168, 20452336]

約数ペア:

[(1, 20452336), (2, 10226168), (4, 5113084), (8, 2556542), (16, 1278271), (23, 889232), (46, 444616), (92, 222308), (149, 137264), (184, 111154), (298, 68632), (368, 55577), (373, 54832), (596, 34316), (746, 27416), (1192, 17158), (1492, 13708), (2384, 8579), (2984, 6854), (3427, 5968)]