20148491620

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2593}}^1\times {\mathrm{3631}}^1$

素因数の和:6340

約数の個数: 48

約数和(自身を含む): 42735506688

約数和(自身を除く): 22587015068

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 2593, 3631, 5186, 7262, 10372, 12965, 14524, 18155, 25930, 36310, 51860, 72620, 277451, 388517, 554902, 777034, 1109804, 1387255, 1554068, 1942585, 2774510, 3885170, 5549020, 7770340, 9415183, 18830366, 37660732, 47075915, 94151830, 188303660, 1007424581, 2014849162, 4029698324, 5037122905, 10074245810, 20148491620]

約数ペア:

[(1, 20148491620), (2, 10074245810), (4, 5037122905), (5, 4029698324), (10, 2014849162), (20, 1007424581), (107, 188303660), (214, 94151830), (428, 47075915), (535, 37660732), (1070, 18830366), (2140, 9415183), (2593, 7770340), (3631, 5549020), (5186, 3885170), (7262, 2774510), (10372, 1942585), (12965, 1554068), (14524, 1387255), (18155, 1109804), (25930, 777034), (36310, 554902), (51860, 388517), (72620, 277451)]