20663453622

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{491986991}}^1$

素因数の和:491987003

約数の個数: 16

約数和(自身を含む): 47230751232

約数和(自身を除く): 26567297610

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 491986991, 983973982, 1475960973, 2951921946, 3443908937, 6887817874, 10331726811, 20663453622]

約数ペア:

[(1, 20663453622), (2, 10331726811), (3, 6887817874), (6, 3443908937), (7, 2951921946), (14, 1475960973), (21, 983973982), (42, 491986991)]