20178690822

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{1607}}^1\times {\mathrm{1657}}^1$

素因数の和:3693

約数の個数: 48

約数和(自身を含む): 43878081312

約数和(自身を除く): 23699390490

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 1607, 1657, 2526, 3214, 3314, 3789, 4821, 4971, 7578, 9642, 9942, 14463, 14913, 28926, 29826, 676547, 697597, 1353094, 1395194, 2029641, 2092791, 2662799, 4059282, 4185582, 5325598, 6088923, 6278373, 7988397, 12177846, 12556746, 15976794, 23965191, 47930382, 1121038379, 2242076758, 3363115137, 6726230274, 10089345411, 20178690822]

約数ペア:

[(1, 20178690822), (2, 10089345411), (3, 6726230274), (6, 3363115137), (9, 2242076758), (18, 1121038379), (421, 47930382), (842, 23965191), (1263, 15976794), (1607, 12556746), (1657, 12177846), (2526, 7988397), (3214, 6278373), (3314, 6088923), (3789, 5325598), (4821, 4185582), (4971, 4059282), (7578, 2662799), (9642, 2092791), (9942, 2029641), (14463, 1395194), (14913, 1353094), (28926, 697597), (29826, 676547)]