20106828819

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{64333}}^1$

素因数の和:64409

約数の個数: 72

約数和(自身を含む): 37374451296

約数和(自身を除く): 17267622477

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 99, 121, 123, 231, 287, 363, 369, 451, 693, 847, 861, 1089, 1353, 2541, 2583, 3157, 4059, 4961, 7623, 9471, 14883, 28413, 34727, 44649, 64333, 104181, 192999, 312543, 450331, 578997, 707663, 1350993, 2122989, 2637653, 4052979, 4953641, 6368967, 7784293, 7912959, 14860923, 18463571, 23352879, 23738877, 29014183, 44582769, 54490051, 55390713, 70058637, 87042549, 163470153, 166172139, 203099281, 261127647, 319156013, 490410459, 609297843, 957468039, 1827893529, 2234092091, 2872404117, 6702276273, 20106828819]

約数ペア:

[(1, 20106828819), (3, 6702276273), (7, 2872404117), (9, 2234092091), (11, 1827893529), (21, 957468039), (33, 609297843), (41, 490410459), (63, 319156013), (77, 261127647), (99, 203099281), (121, 166172139), (123, 163470153), (231, 87042549), (287, 70058637), (363, 55390713), (369, 54490051), (451, 44582769), (693, 29014183), (847, 23738877), (861, 23352879), (1089, 18463571), (1353, 14860923), (2541, 7912959), (2583, 7784293), (3157, 6368967), (4059, 4953641), (4961, 4052979), (7623, 2637653), (9471, 2122989), (14883, 1350993), (28413, 707663), (34727, 578997), (44649, 450331), (64333, 312543), (104181, 192999)]