20194865137960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15661}}^1\times {\mathrm{1696711}}^1$

素因数の和:1712402

約数の個数: 64

約数和(自身を含む): 47833026019200

約数和(自身を除く): 27638160881240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 15661, 31322, 62644, 78305, 125288, 156610, 297559, 313220, 595118, 626440, 1190236, 1487795, 1696711, 2380472, 2975590, 3393422, 5951180, 6786844, 8483555, 11902360, 13573688, 16967110, 32237509, 33934220, 64475018, 67868440, 128950036, 161187545, 257900072, 322375090, 644750180, 1289500360, 26572190971, 53144381942, 106288763884, 132860954855, 212577527768, 265721909710, 504871628449, 531443819420, 1009743256898, 1062887638840, 2019486513796, 2524358142245, 4038973027592, 5048716284490, 10097432568980, 20194865137960]

約数ペア:

[(1, 20194865137960), (2, 10097432568980), (4, 5048716284490), (5, 4038973027592), (8, 2524358142245), (10, 2019486513796), (19, 1062887638840), (20, 1009743256898), (38, 531443819420), (40, 504871628449), (76, 265721909710), (95, 212577527768), (152, 132860954855), (190, 106288763884), (380, 53144381942), (760, 26572190971), (15661, 1289500360), (31322, 644750180), (62644, 322375090), (78305, 257900072), (125288, 161187545), (156610, 128950036), (297559, 67868440), (313220, 64475018), (595118, 33934220), (626440, 32237509), (1190236, 16967110), (1487795, 13573688), (1696711, 11902360), (2380472, 8483555), (2975590, 6786844), (3393422, 5951180)]