20215214960

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1048507}}^1$

素因数の和:1048761

約数の個数: 40

約数和(自身を含む): 47195442096

約数和(自身を除く): 26980227136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 9640, 19280, 1048507, 2097014, 4194028, 5242535, 8388056, 10485070, 16776112, 20970140, 41940280, 83880560, 252690187, 505380374, 1010760748, 1263450935, 2021521496, 2526901870, 4043042992, 5053803740, 10107607480, 20215214960]

約数ペア:

[(1, 20215214960), (2, 10107607480), (4, 5053803740), (5, 4043042992), (8, 2526901870), (10, 2021521496), (16, 1263450935), (20, 1010760748), (40, 505380374), (80, 252690187), (241, 83880560), (482, 41940280), (964, 20970140), (1205, 16776112), (1928, 10485070), (2410, 8388056), (3856, 5242535), (4820, 4194028), (9640, 2097014), (19280, 1048507)]