20567925

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{1451}}^1$

素因数の和:1480

約数の個数: 60

約数和(自身を含む): 43571616

約数和(自身を除く): 23003691

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 315, 405, 525, 567, 675, 945, 1451, 1575, 2025, 2835, 4353, 4725, 7255, 10157, 13059, 14175, 21765, 30471, 36275, 39177, 50785, 65295, 91413, 108825, 117531, 152355, 195885, 253925, 274239, 326475, 457065, 587655, 761775, 822717, 979425, 1371195, 2285325, 2938275, 4113585, 6855975, 20567925]

約数ペア:

[(1, 20567925), (3, 6855975), (5, 4113585), (7, 2938275), (9, 2285325), (15, 1371195), (21, 979425), (25, 822717), (27, 761775), (35, 587655), (45, 457065), (63, 326475), (75, 274239), (81, 253925), (105, 195885), (135, 152355), (175, 117531), (189, 108825), (225, 91413), (315, 65295), (405, 50785), (525, 39177), (567, 36275), (675, 30471), (945, 21765), (1451, 14175), (1575, 13059), (2025, 10157), (2835, 7255), (4353, 4725)]