20161243228

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1\times {\mathrm{53819}}^1$

素因数の和:54634

約数の個数: 48

約数和(自身を含む): 42749441280

約数和(自身を除く): 22588198052

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 787, 1574, 3148, 5509, 11018, 13379, 22036, 26758, 53516, 53819, 93653, 107638, 187306, 215276, 374612, 376733, 753466, 914923, 1506932, 1829846, 3659692, 6404461, 12808922, 25617844, 42355553, 84711106, 169422212, 296488871, 592977742, 720044401, 1185955484, 1440088802, 2880177604, 5040310807, 10080621614, 20161243228]

約数ペア:

[(1, 20161243228), (2, 10080621614), (4, 5040310807), (7, 2880177604), (14, 1440088802), (17, 1185955484), (28, 720044401), (34, 592977742), (68, 296488871), (119, 169422212), (238, 84711106), (476, 42355553), (787, 25617844), (1574, 12808922), (3148, 6404461), (5509, 3659692), (11018, 1829846), (13379, 1506932), (22036, 914923), (26758, 753466), (53516, 376733), (53819, 374612), (93653, 215276), (107638, 187306)]