20927520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14533}}^1$

素因数の和:14554

約数の個数: 72

約数和(自身を含む): 71420076

約数和(自身を除く): 50492556

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14533, 29066, 43599, 58132, 72665, 87198, 116264, 130797, 145330, 174396, 217995, 232528, 261594, 290660, 348792, 435990, 465056, 523188, 581320, 653985, 697584, 871980, 1046376, 1162640, 1307970, 1395168, 1743960, 2092752, 2325280, 2615940, 3487920, 4185504, 5231880, 6975840, 10463760, 20927520]

約数ペア:

[(1, 20927520), (2, 10463760), (3, 6975840), (4, 5231880), (5, 4185504), (6, 3487920), (8, 2615940), (9, 2325280), (10, 2092752), (12, 1743960), (15, 1395168), (16, 1307970), (18, 1162640), (20, 1046376), (24, 871980), (30, 697584), (32, 653985), (36, 581320), (40, 523188), (45, 465056), (48, 435990), (60, 348792), (72, 290660), (80, 261594), (90, 232528), (96, 217995), (120, 174396), (144, 145330), (160, 130797), (180, 116264), (240, 87198), (288, 72665), (360, 58132), (480, 43599), (720, 29066), (1440, 14533)]