20788044

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 51152640

約数和(自身を除く): 30364596

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 109, 138, 218, 276, 327, 436, 654, 691, 1308, 1382, 2073, 2507, 2764, 4146, 5014, 7521, 8292, 10028, 15042, 15893, 30084, 31786, 47679, 63572, 75319, 95358, 150638, 190716, 225957, 301276, 451914, 903828, 1732337, 3464674, 5197011, 6929348, 10394022, 20788044]

約数ペア:

[(1, 20788044), (2, 10394022), (3, 6929348), (4, 5197011), (6, 3464674), (12, 1732337), (23, 903828), (46, 451914), (69, 301276), (92, 225957), (109, 190716), (138, 150638), (218, 95358), (276, 75319), (327, 63572), (436, 47679), (654, 31786), (691, 30084), (1308, 15893), (1382, 15042), (2073, 10028), (2507, 8292), (2764, 7521), (4146, 5014)]