20197079470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{631751}}^1$

素因数の和:631920

約数の個数: 32

約数和(自身を含む): 38208360960

約数和(自身を除く): 18011281490

約数列:

[1, 2, 5, 10, 23, 46, 115, 139, 230, 278, 695, 1390, 3197, 6394, 15985, 31970, 631751, 1263502, 3158755, 6317510, 14530273, 29060546, 72651365, 87813389, 145302730, 175626778, 439066945, 878133890, 2019707947, 4039415894, 10098539735, 20197079470]

約数ペア:

[(1, 20197079470), (2, 10098539735), (5, 4039415894), (10, 2019707947), (23, 878133890), (46, 439066945), (115, 175626778), (139, 145302730), (230, 87813389), (278, 72651365), (695, 29060546), (1390, 14530273), (3197, 6317510), (6394, 3158755), (15985, 1263502), (31970, 631751)]