20558132

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3727}}^1$

素因数の和:3935

約数の個数: 24

約数和(自身を含む): 41336064

約数和(自身を除く): 20777932

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3727, 5516, 7454, 14908, 26089, 52178, 104356, 734219, 1468438, 2936876, 5139533, 10279066, 20558132]

約数ペア:

[(1, 20558132), (2, 10279066), (4, 5139533), (7, 2936876), (14, 1468438), (28, 734219), (197, 104356), (394, 52178), (788, 26089), (1379, 14908), (2758, 7454), (3727, 5516)]