20199787816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3664693}}^1$

素因数の和:3664765

約数の個数: 32

約数和(自身を含む): 41557629960

約数和(自身を除く): 21357842144

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 3664693, 7329386, 14658772, 29317544, 47641009, 95282018, 190564036, 194228729, 381128072, 388457458, 776914916, 1553829832, 2524973477, 5049946954, 10099893908, 20199787816]

約数ペア:

[(1, 20199787816), (2, 10099893908), (4, 5049946954), (8, 2524973477), (13, 1553829832), (26, 776914916), (52, 388457458), (53, 381128072), (104, 194228729), (106, 190564036), (212, 95282018), (424, 47641009), (689, 29317544), (1378, 14658772), (2756, 7329386), (5512, 3664693)]