20199731041

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:603

約数の個数: 96

約数和(自身を含む): 27259752960

約数和(自身を除く): 7060021919

約数列:

[1, 7, 17, 19, 43, 49, 67, 119, 133, 301, 323, 443, 469, 731, 817, 833, 931, 1139, 1273, 2107, 2261, 2881, 3101, 3283, 5117, 5719, 7531, 7973, 8417, 8911, 13889, 15827, 19049, 20167, 21641, 21707, 29681, 35819, 40033, 48977, 52717, 54739, 55811, 58919, 62377, 97223, 133343, 141169, 143089, 151487, 207767, 323833, 342839, 361931, 369019, 383173, 412433, 504577, 563939, 680561, 930563, 933401, 1001623, 1060409, 1276283, 1454369, 2266831, 2399873, 2533517, 2682211, 3532039, 3947573, 6152827, 6513941, 7011361, 8933981, 9586963, 15867817, 17734619, 21696811, 24249377, 24724273, 27633011, 43069789, 45597587, 62537867, 67108741, 151877677, 169745639, 301488523, 412239409, 469761187, 1063143739, 1188219473, 2885675863, 20199731041]

約数ペア:

[(1, 20199731041), (7, 2885675863), (17, 1188219473), (19, 1063143739), (43, 469761187), (49, 412239409), (67, 301488523), (119, 169745639), (133, 151877677), (301, 67108741), (323, 62537867), (443, 45597587), (469, 43069789), (731, 27633011), (817, 24724273), (833, 24249377), (931, 21696811), (1139, 17734619), (1273, 15867817), (2107, 9586963), (2261, 8933981), (2881, 7011361), (3101, 6513941), (3283, 6152827), (5117, 3947573), (5719, 3532039), (7531, 2682211), (7973, 2533517), (8417, 2399873), (8911, 2266831), (13889, 1454369), (15827, 1276283), (19049, 1060409), (20167, 1001623), (21641, 933401), (21707, 930563), (29681, 680561), (35819, 563939), (40033, 504577), (48977, 412433), (52717, 383173), (54739, 369019), (55811, 361931), (58919, 342839), (62377, 323833), (97223, 207767), (133343, 151487), (141169, 143089)]