20648896

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{16981}}^1$

素因数の和:17012

約数の個数: 28

約数和(自身を含む): 43134280

約数和(自身を除く): 22485384

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 16981, 33962, 67924, 135848, 271696, 322639, 543392, 645278, 1086784, 1290556, 2581112, 5162224, 10324448, 20648896]

約数ペア:

[(1, 20648896), (2, 10324448), (4, 5162224), (8, 2581112), (16, 1290556), (19, 1086784), (32, 645278), (38, 543392), (64, 322639), (76, 271696), (152, 135848), (304, 67924), (608, 33962), (1216, 16981)]