20210806

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3547}}^1$

素因数の和:3604

約数の個数: 32

約数和(自身を含む): 38829312

約数和(自身を除く): 18618506

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3547, 5698, 7094, 24829, 39017, 49658, 78034, 131239, 262478, 273119, 546238, 918673, 1443629, 1837346, 2887258, 10105403, 20210806]

約数ペア:

[(1, 20210806), (2, 10105403), (7, 2887258), (11, 1837346), (14, 1443629), (22, 918673), (37, 546238), (74, 273119), (77, 262478), (154, 131239), (259, 78034), (407, 49658), (518, 39017), (814, 24829), (2849, 7094), (3547, 5698)]