20381936

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{19013}}^1$

素因数の和:19088

約数の個数: 20

約数和(自身を含む): 40081512

約数和(自身を除く): 19699576

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 19013, 38026, 76052, 152104, 304208, 1273871, 2547742, 5095484, 10190968, 20381936]

約数ペア:

[(1, 20381936), (2, 10190968), (4, 5095484), (8, 2547742), (16, 1273871), (67, 304208), (134, 152104), (268, 76052), (536, 38026), (1072, 19013)]