20012930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7727}}^1$

素因数の和:7778

約数の個数: 32

約数和(自身を含む): 42287616

約数和(自身を除く): 22274686

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 7727, 15454, 38635, 54089, 77270, 108178, 270445, 285899, 540890, 571798, 1429495, 2001293, 2858990, 4002586, 10006465, 20012930]

約数ペア:

[(1, 20012930), (2, 10006465), (5, 4002586), (7, 2858990), (10, 2001293), (14, 1429495), (35, 571798), (37, 540890), (70, 285899), (74, 270445), (185, 108178), (259, 77270), (370, 54089), (518, 38635), (1295, 15454), (2590, 7727)]