20861710275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{749747}}^1$

素因数の和:749820

約数の個数: 48

約数和(自身を含む): 40162500864

約数和(自身を除く): 19300790589

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 53, 75, 105, 159, 175, 265, 371, 525, 795, 1113, 1325, 1855, 3975, 5565, 9275, 27825, 749747, 2249241, 3748735, 5248229, 11246205, 15744687, 18743675, 26241145, 39736591, 56231025, 78723435, 119209773, 131205725, 198682955, 278156137, 393617175, 596048865, 834468411, 993414775, 1390780685, 2980244325, 4172342055, 6953903425, 20861710275]

約数ペア:

[(1, 20861710275), (3, 6953903425), (5, 4172342055), (7, 2980244325), (15, 1390780685), (21, 993414775), (25, 834468411), (35, 596048865), (53, 393617175), (75, 278156137), (105, 198682955), (159, 131205725), (175, 119209773), (265, 78723435), (371, 56231025), (525, 39736591), (795, 26241145), (1113, 18743675), (1325, 15744687), (1855, 11246205), (3975, 5248229), (5565, 3748735), (9275, 2249241), (27825, 749747)]