20168595

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2657

約数の個数: 40

約数和(自身を含む): 38071440

約数和(自身を除く): 17902845

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 2621, 7695, 7863, 13105, 23589, 39315, 49799, 70767, 117945, 149397, 212301, 248995, 353835, 448191, 746985, 1061505, 1344573, 2240955, 4033719, 6722865, 20168595]

約数ペア:

[(1, 20168595), (3, 6722865), (5, 4033719), (9, 2240955), (15, 1344573), (19, 1061505), (27, 746985), (45, 448191), (57, 353835), (81, 248995), (95, 212301), (135, 149397), (171, 117945), (285, 70767), (405, 49799), (513, 39315), (855, 23589), (1539, 13105), (2565, 7863), (2621, 7695)]