20801538

素因数分解:

$2^1\times 3^2\times {\mathrm{617}}^1\times {\mathrm{1873}}^1$

素因数の和:2498

約数の個数: 24

約数和(自身を含む): 45167148

約数和(自身を除く): 24365610

約数列:

[1, 2, 3, 6, 9, 18, 617, 1234, 1851, 1873, 3702, 3746, 5553, 5619, 11106, 11238, 16857, 33714, 1155641, 2311282, 3466923, 6933846, 10400769, 20801538]

約数ペア:

[(1, 20801538), (2, 10400769), (3, 6933846), (6, 3466923), (9, 2311282), (18, 1155641), (617, 33714), (1234, 16857), (1851, 11238), (1873, 11106), (3702, 5619), (3746, 5553)]