20996935948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6425011}}^1$

素因数の和:6425077

約数の個数: 24

約数和(自身を含む): 39578073920

約数和(自身を除く): 18581137972

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6425011, 12850022, 25700044, 122075209, 244150418, 276275473, 488300836, 552550946, 1105101892, 5249233987, 10498467974, 20996935948]

約数ペア:

[(1, 20996935948), (2, 10498467974), (4, 5249233987), (19, 1105101892), (38, 552550946), (43, 488300836), (76, 276275473), (86, 244150418), (172, 122075209), (817, 25700044), (1634, 12850022), (3268, 6425011)]