20731526704

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4304719}}^1$

素因数の和:4304777

約数の個数: 40

約数和(自身を含む): 46973104640

約数和(自身を除く): 26241577936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 4304719, 8609438, 17218876, 30133033, 34437752, 60266066, 68875504, 120532132, 185102917, 241064264, 370205834, 482128528, 740411668, 1295720419, 1480823336, 2591440838, 2961646672, 5182881676, 10365763352, 20731526704]

約数ペア:

[(1, 20731526704), (2, 10365763352), (4, 5182881676), (7, 2961646672), (8, 2591440838), (14, 1480823336), (16, 1295720419), (28, 740411668), (43, 482128528), (56, 370205834), (86, 241064264), (112, 185102917), (172, 120532132), (301, 68875504), (344, 60266066), (602, 34437752), (688, 30133033), (1204, 17218876), (2408, 8609438), (4816, 4304719)]