20121623495

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{2143}}^1\times {\mathrm{18593}}^1$

素因数の和:20842

約数の個数: 16

約数和(自身を含む): 24397708032

約数和(自身を除く): 4276084537

約数列:

[1, 5, 101, 505, 2143, 10715, 18593, 92965, 216443, 1082215, 1877893, 9389465, 39844799, 199223995, 4024324699, 20121623495]

約数ペア:

[(1, 20121623495), (5, 4024324699), (101, 199223995), (505, 39844799), (2143, 9389465), (10715, 1877893), (18593, 1082215), (92965, 216443)]