20246080

素因数分解:

$2^6\times 5^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:587

約数の個数: 56

約数和(自身を含む): 48646080

約数和(自身を除く): 28400000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 151, 160, 302, 320, 419, 604, 755, 838, 1208, 1510, 1676, 2095, 2416, 3020, 3352, 4190, 4832, 6040, 6704, 8380, 9664, 12080, 13408, 16760, 24160, 26816, 33520, 48320, 63269, 67040, 126538, 134080, 253076, 316345, 506152, 632690, 1012304, 1265380, 2024608, 2530760, 4049216, 5061520, 10123040, 20246080]

約数ペア:

[(1, 20246080), (2, 10123040), (4, 5061520), (5, 4049216), (8, 2530760), (10, 2024608), (16, 1265380), (20, 1012304), (32, 632690), (40, 506152), (64, 316345), (80, 253076), (151, 134080), (160, 126538), (302, 67040), (320, 63269), (419, 48320), (604, 33520), (755, 26816), (838, 24160), (1208, 16760), (1510, 13408), (1676, 12080), (2095, 9664), (2416, 8380), (3020, 6704), (3352, 6040), (4190, 4832)]