20161393460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77543821}}^1$

素因数の和:77543843

約数の個数: 24

約数和(自身を含む): 45595767336

約数和(自身を除く): 25434373876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77543821, 155087642, 310175284, 387719105, 775438210, 1008069673, 1550876420, 2016139346, 4032278692, 5040348365, 10080696730, 20161393460]

約数ペア:

[(1, 20161393460), (2, 10080696730), (4, 5040348365), (5, 4032278692), (10, 2016139346), (13, 1550876420), (20, 1008069673), (26, 775438210), (52, 387719105), (65, 310175284), (130, 155087642), (260, 77543821)]