20121680434

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1\times {\mathrm{3911}}^1$

素因数の和:4386

約数の個数: 32

約数和(自身を含む): 30952056960

約数和(自身を除く): 10830376526

約数列:

[1, 2, 73, 131, 146, 262, 269, 538, 3911, 7822, 9563, 19126, 19637, 35239, 39274, 70478, 285503, 512341, 571006, 1024682, 1052059, 2104118, 2572447, 5144894, 37400893, 74801786, 76800307, 137819729, 153600614, 275639458, 10060840217, 20121680434]

約数ペア:

[(1, 20121680434), (2, 10060840217), (73, 275639458), (131, 153600614), (146, 137819729), (262, 76800307), (269, 74801786), (538, 37400893), (3911, 5144894), (7822, 2572447), (9563, 2104118), (19126, 1052059), (19637, 1024682), (35239, 571006), (39274, 512341), (70478, 285503)]