20289016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{751}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 41690880

約数和(自身を除く): 21401864

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 307, 614, 751, 1228, 1502, 2456, 3004, 3377, 6008, 6754, 8261, 13508, 16522, 27016, 33044, 66088, 230557, 461114, 922228, 1844456, 2536127, 5072254, 10144508, 20289016]

約数ペア:

[(1, 20289016), (2, 10144508), (4, 5072254), (8, 2536127), (11, 1844456), (22, 922228), (44, 461114), (88, 230557), (307, 66088), (614, 33044), (751, 27016), (1228, 16522), (1502, 13508), (2456, 8261), (3004, 6754), (3377, 6008)]