20753824

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7127}}^1$

素因数の和:7157

約数の個数: 48

約数和(自身を含む): 50295168

約数和(自身を除く): 29541344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 7127, 14254, 28508, 49889, 57016, 92651, 99778, 114032, 185302, 199556, 228064, 370604, 399112, 648557, 741208, 798224, 1297114, 1482416, 1596448, 2594228, 2964832, 5188456, 10376912, 20753824]

約数ペア:

[(1, 20753824), (2, 10376912), (4, 5188456), (7, 2964832), (8, 2594228), (13, 1596448), (14, 1482416), (16, 1297114), (26, 798224), (28, 741208), (32, 648557), (52, 399112), (56, 370604), (91, 228064), (104, 199556), (112, 185302), (182, 114032), (208, 99778), (224, 92651), (364, 57016), (416, 49889), (728, 28508), (1456, 14254), (2912, 7127)]