20123432588

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{51383}}^1$

素因数の和:51662

約数の個数: 48

約数和(自身を含む): 41021697024

約数和(自身を除く): 20898264436

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 197, 284, 394, 497, 788, 994, 1379, 1988, 2758, 5516, 13987, 27974, 51383, 55948, 97909, 102766, 195818, 205532, 359681, 391636, 719362, 1438724, 3648193, 7296386, 10122451, 14592772, 20244902, 25537351, 40489804, 51074702, 70857157, 102149404, 141714314, 283428628, 718694021, 1437388042, 2874776084, 5030858147, 10061716294, 20123432588]

約数ペア:

[(1, 20123432588), (2, 10061716294), (4, 5030858147), (7, 2874776084), (14, 1437388042), (28, 718694021), (71, 283428628), (142, 141714314), (197, 102149404), (284, 70857157), (394, 51074702), (497, 40489804), (788, 25537351), (994, 20244902), (1379, 14592772), (1988, 10122451), (2758, 7296386), (5516, 3648193), (13987, 1438724), (27974, 719362), (51383, 391636), (55948, 359681), (97909, 205532), (102766, 195818)]