20020396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 40578048

約数和(自身を除く): 20557652

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 73, 92, 146, 253, 271, 292, 506, 542, 803, 1012, 1084, 1606, 1679, 2981, 3212, 3358, 5962, 6233, 6716, 11924, 12466, 18469, 19783, 24932, 36938, 39566, 68563, 73876, 79132, 137126, 217613, 274252, 435226, 455009, 870452, 910018, 1820036, 5005099, 10010198, 20020396]

約数ペア:

[(1, 20020396), (2, 10010198), (4, 5005099), (11, 1820036), (22, 910018), (23, 870452), (44, 455009), (46, 435226), (73, 274252), (92, 217613), (146, 137126), (253, 79132), (271, 73876), (292, 68563), (506, 39566), (542, 36938), (803, 24932), (1012, 19783), (1084, 18469), (1606, 12466), (1679, 11924), (2981, 6716), (3212, 6233), (3358, 5962)]