20172185020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2707}}^1\times {\mathrm{28661}}^1$

素因数の和:31390

約数の個数: 48

約数和(自身を含む): 45638617248

約数和(自身を除く): 25466432228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2707, 5414, 10828, 13535, 27070, 28661, 35191, 54140, 57322, 70382, 114644, 140764, 143305, 175955, 286610, 351910, 372593, 573220, 703820, 745186, 1490372, 1862965, 3725930, 7451860, 77585327, 155170654, 310341308, 387926635, 775853270, 1008609251, 1551706540, 2017218502, 4034437004, 5043046255, 10086092510, 20172185020]

約数ペア:

[(1, 20172185020), (2, 10086092510), (4, 5043046255), (5, 4034437004), (10, 2017218502), (13, 1551706540), (20, 1008609251), (26, 775853270), (52, 387926635), (65, 310341308), (130, 155170654), (260, 77585327), (2707, 7451860), (5414, 3725930), (10828, 1862965), (13535, 1490372), (27070, 745186), (28661, 703820), (35191, 573220), (54140, 372593), (57322, 351910), (70382, 286610), (114644, 175955), (140764, 143305)]