20562180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1109

約数の個数: 96

約数和(自身を含む): 64229760

約数和(自身を除く): 43667580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1061, 1140, 1292, 1615, 1938, 2122, 3183, 3230, 3876, 4244, 4845, 5305, 6366, 6460, 9690, 10610, 12732, 15915, 18037, 19380, 20159, 21220, 31830, 36074, 40318, 54111, 60477, 63660, 72148, 80636, 90185, 100795, 108222, 120954, 180370, 201590, 216444, 241908, 270555, 302385, 342703, 360740, 403180, 541110, 604770, 685406, 1028109, 1082220, 1209540, 1370812, 1713515, 2056218, 3427030, 4112436, 5140545, 6854060, 10281090, 20562180]

約数ペア:

[(1, 20562180), (2, 10281090), (3, 6854060), (4, 5140545), (5, 4112436), (6, 3427030), (10, 2056218), (12, 1713515), (15, 1370812), (17, 1209540), (19, 1082220), (20, 1028109), (30, 685406), (34, 604770), (38, 541110), (51, 403180), (57, 360740), (60, 342703), (68, 302385), (76, 270555), (85, 241908), (95, 216444), (102, 201590), (114, 180370), (170, 120954), (190, 108222), (204, 100795), (228, 90185), (255, 80636), (285, 72148), (323, 63660), (340, 60477), (380, 54111), (510, 40318), (570, 36074), (646, 31830), (969, 21220), (1020, 20159), (1061, 19380), (1140, 18037), (1292, 15915), (1615, 12732), (1938, 10610), (2122, 9690), (3183, 6460), (3230, 6366), (3876, 5305), (4244, 4845)]