20199786352

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9215231}}^1$

素因数の和:9215376

約数の個数: 20

約数和(自身を含む): 39422762496

約数和(自身を除く): 19222976144

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9215231, 18430462, 36860924, 73721848, 147443696, 1262486647, 2524973294, 5049946588, 10099893176, 20199786352]

約数ペア:

[(1, 20199786352), (2, 10099893176), (4, 5049946588), (8, 2524973294), (16, 1262486647), (137, 147443696), (274, 73721848), (548, 36860924), (1096, 18430462), (2192, 9215231)]