19627720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70099}}^1$

素因数の和:70117

約数の個数: 32

約数和(自身を含む): 50472000

約数和(自身を除く): 30844280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70099, 140198, 280396, 350495, 490693, 560792, 700990, 981386, 1401980, 1962772, 2453465, 2803960, 3925544, 4906930, 9813860, 19627720]

約数ペア:

[(1, 19627720), (2, 9813860), (4, 4906930), (5, 3925544), (7, 2803960), (8, 2453465), (10, 1962772), (14, 1401980), (20, 981386), (28, 700990), (35, 560792), (40, 490693), (56, 350495), (70, 280396), (140, 140198), (280, 70099)]