20369300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4157}}^1$

素因数の和:4185

約数の個数: 54

約数和(自身を含む): 51430302

約数和(自身を除く): 31061002

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4157, 4900, 8314, 16628, 20785, 29099, 41570, 58198, 83140, 103925, 116396, 145495, 203693, 207850, 290990, 407386, 415700, 581980, 727475, 814772, 1018465, 1454950, 2036930, 2909900, 4073860, 5092325, 10184650, 20369300]

約数ペア:

[(1, 20369300), (2, 10184650), (4, 5092325), (5, 4073860), (7, 2909900), (10, 2036930), (14, 1454950), (20, 1018465), (25, 814772), (28, 727475), (35, 581980), (49, 415700), (50, 407386), (70, 290990), (98, 207850), (100, 203693), (140, 145495), (175, 116396), (196, 103925), (245, 83140), (350, 58198), (490, 41570), (700, 29099), (980, 20785), (1225, 16628), (2450, 8314), (4157, 4900)]