20508738614

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{117503}}^1$

素因数の和:117669

約数の個数: 48

約数和(自身を含む): 38820031488

約数和(自身を除く): 18311292874

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 137, 182, 274, 637, 959, 1274, 1781, 1918, 3562, 6713, 12467, 13426, 24934, 87269, 117503, 174538, 235006, 822521, 1527539, 1645042, 3055078, 5757647, 10692773, 11515294, 16097911, 21385546, 32195822, 74849411, 112685377, 149698822, 209272843, 225370754, 418545686, 788797639, 1464909901, 1577595278, 2929819802, 10254369307, 20508738614]

約数ペア:

[(1, 20508738614), (2, 10254369307), (7, 2929819802), (13, 1577595278), (14, 1464909901), (26, 788797639), (49, 418545686), (91, 225370754), (98, 209272843), (137, 149698822), (182, 112685377), (274, 74849411), (637, 32195822), (959, 21385546), (1274, 16097911), (1781, 11515294), (1918, 10692773), (3562, 5757647), (6713, 3055078), (12467, 1645042), (13426, 1527539), (24934, 822521), (87269, 235006), (117503, 174538)]