20180771572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{499}}^1\times {\mathrm{1597}}^1$

素因数の和:2600

約数の個数: 48

約数和(自身を含む): 38211376000

約数和(自身を除く): 18030604428

約数列:

[1, 2, 4, 13, 26, 52, 487, 499, 974, 998, 1597, 1948, 1996, 3194, 6331, 6388, 6487, 12662, 12974, 20761, 25324, 25948, 41522, 83044, 243013, 486026, 777739, 796903, 972052, 1555478, 1593806, 3110956, 3159169, 3187612, 6318338, 10110607, 10359739, 12636676, 20221214, 20719478, 40442428, 41438956, 388091761, 776183522, 1552367044, 5045192893, 10090385786, 20180771572]

約数ペア:

[(1, 20180771572), (2, 10090385786), (4, 5045192893), (13, 1552367044), (26, 776183522), (52, 388091761), (487, 41438956), (499, 40442428), (974, 20719478), (998, 20221214), (1597, 12636676), (1948, 10359739), (1996, 10110607), (3194, 6318338), (6331, 3187612), (6388, 3159169), (6487, 3110956), (12662, 1593806), (12974, 1555478), (20761, 972052), (25324, 796903), (25948, 777739), (41522, 486026), (83044, 243013)]