20780053572

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{101869}}^1$

素因数の和:102156

約数の個数: 48

約数和(自身を含む): 49288780800

約数和(自身を除く): 28508727228

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 191, 267, 356, 382, 534, 573, 764, 1068, 1146, 2292, 16999, 33998, 50997, 67996, 101869, 101994, 203738, 203988, 305607, 407476, 611214, 1222428, 9066341, 18132682, 19456979, 27199023, 36265364, 38913958, 54398046, 58370937, 77827916, 108796092, 116741874, 233483748, 1731671131, 3463342262, 5195013393, 6926684524, 10390026786, 20780053572]

約数ペア:

[(1, 20780053572), (2, 10390026786), (3, 6926684524), (4, 5195013393), (6, 3463342262), (12, 1731671131), (89, 233483748), (178, 116741874), (191, 108796092), (267, 77827916), (356, 58370937), (382, 54398046), (534, 38913958), (573, 36265364), (764, 27199023), (1068, 19456979), (1146, 18132682), (2292, 9066341), (16999, 1222428), (33998, 611214), (50997, 407476), (67996, 305607), (101869, 203988), (101994, 203738)]