20453973138

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{436547}}^1$

素因数の和:436711

約数の個数: 48

約数和(自身を含む): 46990026720

約数和(自身を除く): 26536053582

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 137, 171, 274, 342, 411, 822, 1233, 2466, 2603, 5206, 7809, 15618, 23427, 46854, 436547, 873094, 1309641, 2619282, 3928923, 7857846, 8294393, 16588786, 24883179, 49766358, 59806939, 74649537, 119613878, 149299074, 179420817, 358841634, 538262451, 1076524902, 1136331841, 2272663682, 3408995523, 6817991046, 10226986569, 20453973138]

約数ペア:

[(1, 20453973138), (2, 10226986569), (3, 6817991046), (6, 3408995523), (9, 2272663682), (18, 1136331841), (19, 1076524902), (38, 538262451), (57, 358841634), (114, 179420817), (137, 149299074), (171, 119613878), (274, 74649537), (342, 59806939), (411, 49766358), (822, 24883179), (1233, 16588786), (2466, 8294393), (2603, 7857846), (5206, 3928923), (7809, 2619282), (15618, 1309641), (23427, 873094), (46854, 436547)]