20013952

素因数分解:

$2^7\times 7^2\times {\mathrm{3191}}^1$

素因数の和:3219

約数の個数: 48

約数和(自身を含む): 46395720

約数和(自身を除く): 26381768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 3191, 6272, 6382, 12764, 22337, 25528, 44674, 51056, 89348, 102112, 156359, 178696, 204224, 312718, 357392, 408448, 625436, 714784, 1250872, 1429568, 2501744, 2859136, 5003488, 10006976, 20013952]

約数ペア:

[(1, 20013952), (2, 10006976), (4, 5003488), (7, 2859136), (8, 2501744), (14, 1429568), (16, 1250872), (28, 714784), (32, 625436), (49, 408448), (56, 357392), (64, 312718), (98, 204224), (112, 178696), (128, 156359), (196, 102112), (224, 89348), (392, 51056), (448, 44674), (784, 25528), (896, 22337), (1568, 12764), (3136, 6382), (3191, 6272)]