20781617664

素因数分解:

$2^9\times 3^1\times {\mathrm{13529699}}^1$

素因数の和:13529720

約数の個数: 40

約数和(自身を含む): 55363532400

約数和(自身を除く): 34581914736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13529699, 27059398, 40589097, 54118796, 81178194, 108237592, 162356388, 216475184, 324712776, 432950368, 649425552, 865900736, 1298851104, 1731801472, 2597702208, 3463602944, 5195404416, 6927205888, 10390808832, 20781617664]

約数ペア:

[(1, 20781617664), (2, 10390808832), (3, 6927205888), (4, 5195404416), (6, 3463602944), (8, 2597702208), (12, 1731801472), (16, 1298851104), (24, 865900736), (32, 649425552), (48, 432950368), (64, 324712776), (96, 216475184), (128, 162356388), (192, 108237592), (256, 81178194), (384, 54118796), (512, 40589097), (768, 27059398), (1536, 13529699)]