20993934

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3407}}^1$

素因数の和:3504

約数の個数: 32

約数和(自身を含む): 45803520

約数和(自身を除く): 24809586

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 3407, 6162, 6814, 10221, 20442, 44291, 88582, 132873, 265746, 269153, 538306, 807459, 1614918, 3498989, 6997978, 10496967, 20993934]

約数ペア:

[(1, 20993934), (2, 10496967), (3, 6997978), (6, 3498989), (13, 1614918), (26, 807459), (39, 538306), (78, 269153), (79, 265746), (158, 132873), (237, 88582), (474, 44291), (1027, 20442), (2054, 10221), (3081, 6814), (3407, 6162)]