20153291977

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{230933}}^1$

素因数の和:231097

約数の個数: 24

約数和(自身を含む): 25431375816

約数和(自身を除く): 5278083839

約数列:

[1, 7, 13, 49, 91, 137, 637, 959, 1781, 6713, 12467, 87269, 230933, 1616531, 3002129, 11315717, 21014903, 31637821, 147104321, 221464747, 411291673, 1550253229, 2879041711, 20153291977]

約数ペア:

[(1, 20153291977), (7, 2879041711), (13, 1550253229), (49, 411291673), (91, 221464747), (137, 147104321), (637, 31637821), (959, 21014903), (1781, 11315717), (6713, 3002129), (12467, 1616531), (87269, 230933)]