20137907531

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1\times {\mathrm{2087}}^1$

素因数の和:3011

約数の個数: 32

約数和(自身を含む): 24385701888

約数和(自身を除く): 4247794357

約数列:

[1, 7, 23, 73, 161, 511, 821, 1679, 2087, 5747, 11753, 14609, 18883, 48001, 59933, 132181, 152351, 336007, 419531, 1066457, 1378459, 1713427, 3504073, 9649213, 11993989, 24528511, 39408821, 125080171, 275861747, 875561197, 2876843933, 20137907531]

約数ペア:

[(1, 20137907531), (7, 2876843933), (23, 875561197), (73, 275861747), (161, 125080171), (511, 39408821), (821, 24528511), (1679, 11993989), (2087, 9649213), (5747, 3504073), (11753, 1713427), (14609, 1378459), (18883, 1066457), (48001, 419531), (59933, 336007), (132181, 152351)]