20210565726

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{550127}}^1$

素因数の和:550305

約数の個数: 48

約数和(自身を含む): 47458442304

約数和(自身を除く): 27247876578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 157, 234, 314, 471, 942, 1413, 2041, 2826, 4082, 6123, 12246, 18369, 36738, 550127, 1100254, 1650381, 3300762, 4951143, 7151651, 9902286, 14303302, 21454953, 42909906, 64364859, 86369939, 128729718, 172739878, 259109817, 518219634, 777329451, 1122809207, 1554658902, 2245618414, 3368427621, 6736855242, 10105282863, 20210565726]

約数ペア:

[(1, 20210565726), (2, 10105282863), (3, 6736855242), (6, 3368427621), (9, 2245618414), (13, 1554658902), (18, 1122809207), (26, 777329451), (39, 518219634), (78, 259109817), (117, 172739878), (157, 128729718), (234, 86369939), (314, 64364859), (471, 42909906), (942, 21454953), (1413, 14303302), (2041, 9902286), (2826, 7151651), (4082, 4951143), (6123, 3300762), (12246, 1650381), (18369, 1100254), (36738, 550127)]