20938912

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{34439}}^1$

素因数の和:34468

約数の個数: 24

約数和(自身を含む): 43394400

約数和(自身を除く): 22455488

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 34439, 68878, 137756, 275512, 551024, 654341, 1102048, 1308682, 2617364, 5234728, 10469456, 20938912]

約数ペア:

[(1, 20938912), (2, 10469456), (4, 5234728), (8, 2617364), (16, 1308682), (19, 1102048), (32, 654341), (38, 551024), (76, 275512), (152, 137756), (304, 68878), (608, 34439)]