20780821630

素因数分解:

$2^1\times 5^1\times {\mathrm{15361}}^1\times {\mathrm{135283}}^1$

素因数の和:150651

約数の個数: 16

約数和(自身を含む): 37408190544

約数和(自身を除く): 16627368914

約数列:

[1, 2, 5, 10, 15361, 30722, 76805, 135283, 153610, 270566, 676415, 1352830, 2078082163, 4156164326, 10390410815, 20780821630]

約数ペア:

[(1, 20780821630), (2, 10390410815), (5, 4156164326), (10, 2078082163), (15361, 1352830), (30722, 676415), (76805, 270566), (135283, 153610)]