20804224

素因数分解:

$2^7\times 7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 50232960

約数和(自身を除く): 29428736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 107, 112, 124, 128, 196, 214, 217, 224, 248, 392, 428, 434, 448, 496, 749, 784, 856, 868, 896, 992, 1498, 1519, 1568, 1712, 1736, 1984, 2996, 3038, 3136, 3317, 3424, 3472, 3968, 5243, 5992, 6076, 6272, 6634, 6848, 6944, 10486, 11984, 12152, 13268, 13696, 13888, 20972, 23219, 23968, 24304, 26536, 27776, 41944, 46438, 47936, 48608, 53072, 83888, 92876, 95872, 97216, 106144, 162533, 167776, 185752, 194432, 212288, 325066, 335552, 371504, 424576, 650132, 671104, 743008, 1300264, 1486016, 2600528, 2972032, 5201056, 10402112, 20804224]

約数ペア:

[(1, 20804224), (2, 10402112), (4, 5201056), (7, 2972032), (8, 2600528), (14, 1486016), (16, 1300264), (28, 743008), (31, 671104), (32, 650132), (49, 424576), (56, 371504), (62, 335552), (64, 325066), (98, 212288), (107, 194432), (112, 185752), (124, 167776), (128, 162533), (196, 106144), (214, 97216), (217, 95872), (224, 92876), (248, 83888), (392, 53072), (428, 48608), (434, 47936), (448, 46438), (496, 41944), (749, 27776), (784, 26536), (856, 24304), (868, 23968), (896, 23219), (992, 20972), (1498, 13888), (1519, 13696), (1568, 13268), (1712, 12152), (1736, 11984), (1984, 10486), (2996, 6944), (3038, 6848), (3136, 6634), (3317, 6272), (3424, 6076), (3472, 5992), (3968, 5243)]