20106180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5879}}^1$

素因数の和:5913

約数の個数: 72

約数和(自身を含む): 64209600

約数和(自身を除く): 44103420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5879, 11758, 17637, 23516, 29395, 35274, 52911, 58790, 70548, 88185, 105822, 111701, 117580, 176370, 211644, 223402, 264555, 335103, 352740, 446804, 529110, 558505, 670206, 1005309, 1058220, 1117010, 1340412, 1675515, 2010618, 2234020, 3351030, 4021236, 5026545, 6702060, 10053090, 20106180]

約数ペア:

[(1, 20106180), (2, 10053090), (3, 6702060), (4, 5026545), (5, 4021236), (6, 3351030), (9, 2234020), (10, 2010618), (12, 1675515), (15, 1340412), (18, 1117010), (19, 1058220), (20, 1005309), (30, 670206), (36, 558505), (38, 529110), (45, 446804), (57, 352740), (60, 335103), (76, 264555), (90, 223402), (95, 211644), (114, 176370), (171, 117580), (180, 111701), (190, 105822), (228, 88185), (285, 70548), (342, 58790), (380, 52911), (570, 35274), (684, 29395), (855, 23516), (1140, 17637), (1710, 11758), (3420, 5879)]