20931950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32203}}^1$

素因数の和:32228

約数の個数: 24

約数和(自身を含む): 41929608

約数和(自身を除く): 20997658

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32203, 64406, 161015, 322030, 418639, 805075, 837278, 1610150, 2093195, 4186390, 10465975, 20931950]

約数ペア:

[(1, 20931950), (2, 10465975), (5, 4186390), (10, 2093195), (13, 1610150), (25, 837278), (26, 805075), (50, 418639), (65, 322030), (130, 161015), (325, 64406), (650, 32203)]