20848048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{887}}^1$

素因数の和:1021

約数の個数: 40

約数和(自身を含む): 43934688

約数和(自身を除く): 23086640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 887, 904, 1469, 1774, 1808, 2938, 3548, 5876, 7096, 11531, 11752, 14192, 23062, 23504, 46124, 92248, 100231, 184496, 200462, 400924, 801848, 1303003, 1603696, 2606006, 5212012, 10424024, 20848048]

約数ペア:

[(1, 20848048), (2, 10424024), (4, 5212012), (8, 2606006), (13, 1603696), (16, 1303003), (26, 801848), (52, 400924), (104, 200462), (113, 184496), (208, 100231), (226, 92248), (452, 46124), (887, 23504), (904, 23062), (1469, 14192), (1774, 11752), (1808, 11531), (2938, 7096), (3548, 5876)]