20868918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12119}}^1$

素因数の和:12172

約数の個数: 32

約数和(自身を含む): 48867840

約数和(自身を除く): 27998922

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12119, 24238, 36357, 72714, 84833, 169666, 254499, 496879, 508998, 993758, 1490637, 2981274, 3478153, 6956306, 10434459, 20868918]

約数ペア:

[(1, 20868918), (2, 10434459), (3, 6956306), (6, 3478153), (7, 2981274), (14, 1490637), (21, 993758), (41, 508998), (42, 496879), (82, 254499), (123, 169666), (246, 84833), (287, 72714), (574, 36357), (861, 24238), (1722, 12119)]