20386620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2024

約数の個数: 96

約数和(自身を含む): 66796800

約数和(自身を除く): 46410180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 1987, 2052, 2565, 3420, 3974, 5130, 5961, 7948, 9935, 10260, 11922, 17883, 19870, 23844, 29805, 35766, 37753, 39740, 53649, 59610, 71532, 75506, 89415, 107298, 113259, 119220, 151012, 178830, 188765, 214596, 226518, 268245, 339777, 357660, 377530, 453036, 536490, 566295, 679554, 755060, 1019331, 1072980, 1132590, 1359108, 1698885, 2038662, 2265180, 3397770, 4077324, 5096655, 6795540, 10193310, 20386620]

約数ペア:

[(1, 20386620), (2, 10193310), (3, 6795540), (4, 5096655), (5, 4077324), (6, 3397770), (9, 2265180), (10, 2038662), (12, 1698885), (15, 1359108), (18, 1132590), (19, 1072980), (20, 1019331), (27, 755060), (30, 679554), (36, 566295), (38, 536490), (45, 453036), (54, 377530), (57, 357660), (60, 339777), (76, 268245), (90, 226518), (95, 214596), (108, 188765), (114, 178830), (135, 151012), (171, 119220), (180, 113259), (190, 107298), (228, 89415), (270, 75506), (285, 71532), (342, 59610), (380, 53649), (513, 39740), (540, 37753), (570, 35766), (684, 29805), (855, 23844), (1026, 19870), (1140, 17883), (1710, 11922), (1987, 10260), (2052, 9935), (2565, 7948), (3420, 5961), (3974, 5130)]