20107280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6793}}^1$

素因数の和:6843

約数の個数: 40

約数和(自身を含む): 48019992

約数和(自身を除く): 27912712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6793, 13586, 27172, 33965, 54344, 67930, 108688, 135860, 251341, 271720, 502682, 543440, 1005364, 1256705, 2010728, 2513410, 4021456, 5026820, 10053640, 20107280]

約数ペア:

[(1, 20107280), (2, 10053640), (4, 5026820), (5, 4021456), (8, 2513410), (10, 2010728), (16, 1256705), (20, 1005364), (37, 543440), (40, 502682), (74, 271720), (80, 251341), (148, 135860), (185, 108688), (296, 67930), (370, 54344), (592, 33965), (740, 27172), (1480, 13586), (2960, 6793)]