20989969656

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{6676199}}^1$

素因数の和:6676339

約数の個数: 32

約数和(自身を含む): 52875504000

約数和(自身を除く): 31885534344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 6676199, 13352398, 20028597, 26704796, 40057194, 53409592, 80114388, 160228776, 874582069, 1749164138, 2623746207, 3498328276, 5247492414, 6996656552, 10494984828, 20989969656]

約数ペア:

[(1, 20989969656), (2, 10494984828), (3, 6996656552), (4, 5247492414), (6, 3498328276), (8, 2623746207), (12, 1749164138), (24, 874582069), (131, 160228776), (262, 80114388), (393, 53409592), (524, 40057194), (786, 26704796), (1048, 20028597), (1572, 13352398), (3144, 6676199)]