19962780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7079}}^1$

素因数の和:7138

約数の個数: 48

約数和(自身を含む): 57093120

約数和(自身を除く): 37130340

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, 7079, 14158, 21237, 28316, 35395, 42474, 70790, 84948, 106185, 141580, 212370, 332713, 424740, 665426, 998139, 1330852, 1663565, 1996278, 3327130, 3992556, 4990695, 6654260, 9981390, 19962780]

約数ペア:

[(1, 19962780), (2, 9981390), (3, 6654260), (4, 4990695), (5, 3992556), (6, 3327130), (10, 1996278), (12, 1663565), (15, 1330852), (20, 998139), (30, 665426), (47, 424740), (60, 332713), (94, 212370), (141, 141580), (188, 106185), (235, 84948), (282, 70790), (470, 42474), (564, 35395), (705, 28316), (940, 21237), (1410, 14158), (2820, 7079)]