20386912

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7001}}^1$

素因数の和:7031

約数の個数: 48

約数和(自身を含む): 49406112

約数和(自身を除く): 29019200

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, 7001, 14002, 28004, 49007, 56008, 91013, 98014, 112016, 182026, 196028, 224032, 364052, 392056, 637091, 728104, 784112, 1274182, 1456208, 1568224, 2548364, 2912416, 5096728, 10193456, 20386912]

約数ペア:

[(1, 20386912), (2, 10193456), (4, 5096728), (7, 2912416), (8, 2548364), (13, 1568224), (14, 1456208), (16, 1274182), (26, 784112), (28, 728104), (32, 637091), (52, 392056), (56, 364052), (91, 224032), (104, 196028), (112, 182026), (182, 112016), (208, 98014), (224, 91013), (364, 56008), (416, 49007), (728, 28004), (1456, 14002), (2912, 7001)]