20058440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13553}}^1$

素因数の和:13601

約数の個数: 32

約数和(自身を含む): 46354680

約数和(自身を除く): 26296240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13553, 27106, 54212, 67765, 108424, 135530, 271060, 501461, 542120, 1002922, 2005844, 2507305, 4011688, 5014610, 10029220, 20058440]

約数ペア:

[(1, 20058440), (2, 10029220), (4, 5014610), (5, 4011688), (8, 2507305), (10, 2005844), (20, 1002922), (37, 542120), (40, 501461), (74, 271060), (148, 135530), (185, 108424), (296, 67765), (370, 54212), (740, 27106), (1480, 13553)]