20989876253

素因数分解:

${\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{20021}}^1$

素因数の和:20356

約数の個数: 16

約数和(自身を含む): 21692956032

約数和(自身を除く): 703079779

約数列:

[1, 53, 131, 151, 6943, 8003, 19781, 20021, 1048393, 1061113, 2622751, 3023171, 139005803, 160228063, 396035401, 20989876253]

約数ペア:

[(1, 20989876253), (53, 396035401), (131, 160228063), (151, 139005803), (6943, 3023171), (8003, 2622751), (19781, 1061113), (20021, 1048393)]