20853488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68597}}^1$

素因数の和:68624

約数の個数: 20

約数和(自身を含む): 42530760

約数和(自身を除く): 21677272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68597, 137194, 274388, 548776, 1097552, 1303343, 2606686, 5213372, 10426744, 20853488]

約数ペア:

[(1, 20853488), (2, 10426744), (4, 5213372), (8, 2606686), (16, 1303343), (19, 1097552), (38, 548776), (76, 274388), (152, 137194), (304, 68597)]