20199723728

素因数分解:

$2^4\times {\mathrm{839}}^1\times {\mathrm{1504747}}^1$

素因数の和:1505594

約数の個数: 20

約数和(自身を含む): 39183637920

約数和(自身を除く): 18983914192

約数列:

[1, 2, 4, 8, 16, 839, 1678, 3356, 6712, 13424, 1504747, 3009494, 6018988, 12037976, 24075952, 1262482733, 2524965466, 5049930932, 10099861864, 20199723728]

約数ペア:

[(1, 20199723728), (2, 10099861864), (4, 5049930932), (8, 2524965466), (16, 1262482733), (839, 24075952), (1678, 12037976), (3356, 6018988), (6712, 3009494), (13424, 1504747)]