20903744

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19213}}^1$

素因数の和:19242

約数の個数: 28

約数和(自身を含む): 43923204

約数和(自身を除く): 23019460

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19213, 38426, 76852, 153704, 307408, 326621, 614816, 653242, 1229632, 1306484, 2612968, 5225936, 10451872, 20903744]

約数ペア:

[(1, 20903744), (2, 10451872), (4, 5225936), (8, 2612968), (16, 1306484), (17, 1229632), (32, 653242), (34, 614816), (64, 326621), (68, 307408), (136, 153704), (272, 76852), (544, 38426), (1088, 19213)]