20630960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:323

約数の個数: 120

約数和(自身を含む): 58947120

約数和(自身を除く): 38316160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 277, 280, 304, 380, 392, 490, 532, 554, 560, 665, 760, 784, 931, 980, 1064, 1108, 1330, 1385, 1520, 1862, 1939, 1960, 2128, 2216, 2660, 2770, 3724, 3878, 3920, 4432, 4655, 5263, 5320, 5540, 7448, 7756, 9310, 9695, 10526, 10640, 11080, 13573, 14896, 15512, 18620, 19390, 21052, 22160, 26315, 27146, 31024, 36841, 37240, 38780, 42104, 52630, 54292, 67865, 73682, 74480, 77560, 84208, 105260, 108584, 135730, 147364, 155120, 184205, 210520, 217168, 257887, 271460, 294728, 368410, 421040, 515774, 542920, 589456, 736820, 1031548, 1085840, 1289435, 1473640, 2063096, 2578870, 2947280, 4126192, 5157740, 10315480, 20630960]

約数ペア:

[(1, 20630960), (2, 10315480), (4, 5157740), (5, 4126192), (7, 2947280), (8, 2578870), (10, 2063096), (14, 1473640), (16, 1289435), (19, 1085840), (20, 1031548), (28, 736820), (35, 589456), (38, 542920), (40, 515774), (49, 421040), (56, 368410), (70, 294728), (76, 271460), (80, 257887), (95, 217168), (98, 210520), (112, 184205), (133, 155120), (140, 147364), (152, 135730), (190, 108584), (196, 105260), (245, 84208), (266, 77560), (277, 74480), (280, 73682), (304, 67865), (380, 54292), (392, 52630), (490, 42104), (532, 38780), (554, 37240), (560, 36841), (665, 31024), (760, 27146), (784, 26315), (931, 22160), (980, 21052), (1064, 19390), (1108, 18620), (1330, 15512), (1385, 14896), (1520, 13573), (1862, 11080), (1939, 10640), (1960, 10526), (2128, 9695), (2216, 9310), (2660, 7756), (2770, 7448), (3724, 5540), (3878, 5320), (3920, 5263), (4432, 4655)]