19776660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7013}}^1$

素因数の和:7072

約数の個数: 48

約数和(自身を含む): 56560896

約数和(自身を除く): 36784236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7013, 14026, 21039, 28052, 35065, 42078, 70130, 84156, 105195, 140260, 210390, 329611, 420780, 659222, 988833, 1318444, 1648055, 1977666, 3296110, 3955332, 4944165, 6592220, 9888330, 19776660]

約数ペア:

[(1, 19776660), (2, 9888330), (3, 6592220), (4, 4944165), (5, 3955332), (6, 3296110), (10, 1977666), (12, 1648055), (15, 1318444), (20, 988833), (30, 659222), (47, 420780), (60, 329611), (94, 210390), (141, 140260), (188, 105195), (235, 84156), (282, 70130), (470, 42078), (564, 35065), (705, 28052), (940, 21039), (1410, 14026), (2820, 7013)]