20228886180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5914879}}^1$

素因数の和:5914913

約数の個数: 72

約数和(自身を含む): 64590489600

約数和(自身を除く): 44361603420

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, 5914879, 11829758, 17744637, 23659516, 29574395, 35489274, 53233911, 59148790, 70978548, 88723185, 106467822, 112382701, 118297580, 177446370, 212935644, 224765402, 266169555, 337148103, 354892740, 449530804, 532339110, 561913505, 674296206, 1011444309, 1064678220, 1123827010, 1348592412, 1685740515, 2022888618, 2247654020, 3371481030, 4045777236, 5057221545, 6742962060, 10114443090, 20228886180]

約数ペア:

[(1, 20228886180), (2, 10114443090), (3, 6742962060), (4, 5057221545), (5, 4045777236), (6, 3371481030), (9, 2247654020), (10, 2022888618), (12, 1685740515), (15, 1348592412), (18, 1123827010), (19, 1064678220), (20, 1011444309), (30, 674296206), (36, 561913505), (38, 532339110), (45, 449530804), (57, 354892740), (60, 337148103), (76, 266169555), (90, 224765402), (95, 212935644), (114, 177446370), (171, 118297580), (180, 112382701), (190, 106467822), (228, 88723185), (285, 70978548), (342, 59148790), (380, 53233911), (570, 35489274), (684, 29574395), (855, 23659516), (1140, 17744637), (1710, 11829758), (3420, 5914879)]