20833568

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5471}}^1$

素因数の和:5505

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 28808416

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5471, 10942, 21884, 38297, 43768, 76594, 87536, 93007, 153188, 175072, 186014, 306376, 372028, 612752, 651049, 744056, 1225504, 1302098, 1488112, 2604196, 2976224, 5208392, 10416784, 20833568]

約数ペア:

[(1, 20833568), (2, 10416784), (4, 5208392), (7, 2976224), (8, 2604196), (14, 1488112), (16, 1302098), (17, 1225504), (28, 744056), (32, 651049), (34, 612752), (56, 372028), (68, 306376), (112, 186014), (119, 175072), (136, 153188), (224, 93007), (238, 87536), (272, 76594), (476, 43768), (544, 38297), (952, 21884), (1904, 10942), (3808, 5471)]