20146758928

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{51109}}^1$

素因数の和:51535

約数の個数: 40

約数和(自身を含む): 39698976960

約数和(自身を除く): 19552218032

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 347, 568, 694, 1136, 1388, 2776, 5552, 24637, 49274, 51109, 98548, 102218, 197096, 204436, 394192, 408872, 817744, 3628739, 7257478, 14514956, 17734823, 29029912, 35469646, 58059824, 70939292, 141878584, 283757168, 1259172433, 2518344866, 5036689732, 10073379464, 20146758928]

約数ペア:

[(1, 20146758928), (2, 10073379464), (4, 5036689732), (8, 2518344866), (16, 1259172433), (71, 283757168), (142, 141878584), (284, 70939292), (347, 58059824), (568, 35469646), (694, 29029912), (1136, 17734823), (1388, 14514956), (2776, 7257478), (5552, 3628739), (24637, 817744), (49274, 408872), (51109, 394192), (98548, 204436), (102218, 197096)]