20218457090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11489}}^1\times {\mathrm{13537}}^1$

素因数の和:25046

約数の個数: 32

約数和(自身を含む): 39199008240

約数和(自身を除く): 18980551150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 11489, 13537, 22978, 27074, 57445, 67685, 114890, 135370, 149357, 175981, 298714, 351962, 746785, 879905, 1493570, 1759810, 155526593, 311053186, 777632965, 1555265930, 2021845709, 4043691418, 10109228545, 20218457090]

約数ペア:

[(1, 20218457090), (2, 10109228545), (5, 4043691418), (10, 2021845709), (13, 1555265930), (26, 777632965), (65, 311053186), (130, 155526593), (11489, 1759810), (13537, 1493570), (22978, 879905), (27074, 746785), (57445, 351962), (67685, 298714), (114890, 175981), (135370, 149357)]