20822711

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5581}}^1$

素因数の和:5642

約数の個数: 16

約数和(自身を含む): 26257728

約数和(自身を除く): 5435017

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5581, 39067, 72553, 228821, 507871, 1601747, 2974673, 20822711]

約数ペア:

[(1, 20822711), (7, 2974673), (13, 1601747), (41, 507871), (91, 228821), (287, 72553), (533, 39067), (3731, 5581)]