20164890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2127

約数の個数: 64

約数和(自身を含む): 53965440

約数和(自身を除く): 33800550

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 95, 102, 114, 170, 190, 255, 285, 323, 510, 570, 646, 969, 1615, 1938, 2081, 3230, 4162, 4845, 6243, 9690, 10405, 12486, 20810, 31215, 35377, 39539, 62430, 70754, 79078, 106131, 118617, 176885, 197695, 212262, 237234, 353770, 395390, 530655, 593085, 672163, 1061310, 1186170, 1344326, 2016489, 3360815, 4032978, 6721630, 10082445, 20164890]

約数ペア:

[(1, 20164890), (2, 10082445), (3, 6721630), (5, 4032978), (6, 3360815), (10, 2016489), (15, 1344326), (17, 1186170), (19, 1061310), (30, 672163), (34, 593085), (38, 530655), (51, 395390), (57, 353770), (85, 237234), (95, 212262), (102, 197695), (114, 176885), (170, 118617), (190, 106131), (255, 79078), (285, 70754), (323, 62430), (510, 39539), (570, 35377), (646, 31215), (969, 20810), (1615, 12486), (1938, 10405), (2081, 9690), (3230, 6243), (4162, 4845)]