20774448

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2567

約数の個数: 80

約数和(自身を含む): 62793600

約数和(自身を除く): 42019152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2531, 2736, 4104, 5062, 7593, 8208, 10124, 15186, 20248, 22779, 30372, 40496, 45558, 48089, 60744, 68337, 91116, 96178, 121488, 136674, 144267, 182232, 192356, 273348, 288534, 364464, 384712, 432801, 546696, 577068, 769424, 865602, 1093392, 1154136, 1298403, 1731204, 2308272, 2596806, 3462408, 5193612, 6924816, 10387224, 20774448]

約数ペア:

[(1, 20774448), (2, 10387224), (3, 6924816), (4, 5193612), (6, 3462408), (8, 2596806), (9, 2308272), (12, 1731204), (16, 1298403), (18, 1154136), (19, 1093392), (24, 865602), (27, 769424), (36, 577068), (38, 546696), (48, 432801), (54, 384712), (57, 364464), (72, 288534), (76, 273348), (108, 192356), (114, 182232), (144, 144267), (152, 136674), (171, 121488), (216, 96178), (228, 91116), (304, 68337), (342, 60744), (432, 48089), (456, 45558), (513, 40496), (684, 30372), (912, 22779), (1026, 20248), (1368, 15186), (2052, 10124), (2531, 8208), (2736, 7593), (4104, 5062)]