20135385

素因数分解:

$3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{599}}^1$

素因数の和:699

約数の個数: 40

約数和(自身を含む): 36590400

約数和(自身を除く): 16455015

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 249, 405, 415, 599, 747, 1245, 1797, 2241, 2995, 3735, 5391, 6723, 8985, 11205, 16173, 26955, 33615, 48519, 49717, 80865, 149151, 242595, 248585, 447453, 745755, 1342359, 2237265, 4027077, 6711795, 20135385]

約数ペア:

[(1, 20135385), (3, 6711795), (5, 4027077), (9, 2237265), (15, 1342359), (27, 745755), (45, 447453), (81, 248585), (83, 242595), (135, 149151), (249, 80865), (405, 49717), (415, 48519), (599, 33615), (747, 26955), (1245, 16173), (1797, 11205), (2241, 8985), (2995, 6723), (3735, 5391)]