20556832672

素因数分解:

$2^5\times {\mathrm{89}}^2\times {\mathrm{81101}}^1$

素因数の和:81289

約数の個数: 36

約数和(自身を含む): 40931611686

約数和(自身を除く): 20374779014

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7921, 15842, 31684, 63368, 81101, 126736, 162202, 253472, 324404, 648808, 1297616, 2595232, 7217989, 14435978, 28871956, 57743912, 115487824, 230975648, 642401021, 1284802042, 2569604084, 5139208168, 10278416336, 20556832672]

約数ペア:

[(1, 20556832672), (2, 10278416336), (4, 5139208168), (8, 2569604084), (16, 1284802042), (32, 642401021), (89, 230975648), (178, 115487824), (356, 57743912), (712, 28871956), (1424, 14435978), (2848, 7217989), (7921, 2595232), (15842, 1297616), (31684, 648808), (63368, 324404), (81101, 253472), (126736, 162202)]