20002970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1019}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 19067110

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1019, 1510, 1963, 2038, 3926, 5095, 9815, 10190, 13247, 19630, 26494, 66235, 132470, 153869, 307738, 769345, 1538690, 2000297, 4000594, 10001485, 20002970]

約数ペア:

[(1, 20002970), (2, 10001485), (5, 4000594), (10, 2000297), (13, 1538690), (26, 769345), (65, 307738), (130, 153869), (151, 132470), (302, 66235), (755, 26494), (1019, 19630), (1510, 13247), (1963, 10190), (2038, 9815), (3926, 5095)]