20254207860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5922283}}^1$

素因数の和:5922317

約数の個数: 72

約数和(自身を含む): 64671341280

約数和(自身を除く): 44417133420

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, 5922283, 11844566, 17766849, 23689132, 29611415, 35533698, 53300547, 59222830, 71067396, 88834245, 106601094, 112523377, 118445660, 177668490, 213202188, 225046754, 266502735, 337570131, 355336980, 450093508, 533005470, 562616885, 675140262, 1012710393, 1066010940, 1125233770, 1350280524, 1687850655, 2025420786, 2250467540, 3375701310, 4050841572, 5063551965, 6751402620, 10127103930, 20254207860]

約数ペア:

[(1, 20254207860), (2, 10127103930), (3, 6751402620), (4, 5063551965), (5, 4050841572), (6, 3375701310), (9, 2250467540), (10, 2025420786), (12, 1687850655), (15, 1350280524), (18, 1125233770), (19, 1066010940), (20, 1012710393), (30, 675140262), (36, 562616885), (38, 533005470), (45, 450093508), (57, 355336980), (60, 337570131), (76, 266502735), (90, 225046754), (95, 213202188), (114, 177668490), (171, 118445660), (180, 112523377), (190, 106601094), (228, 88834245), (285, 71067396), (342, 59222830), (380, 53300547), (570, 35533698), (684, 29611415), (855, 23689132), (1140, 17766849), (1710, 11844566), (3420, 5922283)]