20792988

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12289}}^1$

素因数の和:12346

約数の個数: 36

約数和(自身を含む): 53682720

約数和(自身を除く): 32889732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12289, 24578, 36867, 49156, 73734, 110601, 147468, 221202, 442404, 577583, 1155166, 1732749, 2310332, 3465498, 5198247, 6930996, 10396494, 20792988]

約数ペア:

[(1, 20792988), (2, 10396494), (3, 6930996), (4, 5198247), (6, 3465498), (9, 2310332), (12, 1732749), (18, 1155166), (36, 577583), (47, 442404), (94, 221202), (141, 147468), (188, 110601), (282, 73734), (423, 49156), (564, 36867), (846, 24578), (1692, 12289)]