20305610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1433}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 39750480

約数和(自身を除く): 19444870

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 1433, 2834, 2866, 7085, 7165, 14170, 14330, 18629, 37258, 93145, 156197, 186290, 312394, 780985, 1561970, 2030561, 4061122, 10152805, 20305610]

約数ペア:

[(1, 20305610), (2, 10152805), (5, 4061122), (10, 2030561), (13, 1561970), (26, 780985), (65, 312394), (109, 186290), (130, 156197), (218, 93145), (545, 37258), (1090, 18629), (1417, 14330), (1433, 14170), (2834, 7165), (2866, 7085)]