20105261788

素因数分解:

$2^2\times {\mathrm{509}}^1\times {\mathrm{1801}}^1\times {\mathrm{5483}}^1$

素因数の和:7797

約数の個数: 24

約数和(自身を含む): 35279339760

約数和(自身を除く): 15174077972

約数列:

[1, 2, 4, 509, 1018, 1801, 2036, 3602, 5483, 7204, 10966, 21932, 916709, 1833418, 2790847, 3666836, 5581694, 9874883, 11163388, 19749766, 39499532, 5026315447, 10052630894, 20105261788]

約数ペア:

[(1, 20105261788), (2, 10052630894), (4, 5026315447), (509, 39499532), (1018, 19749766), (1801, 11163388), (2036, 9874883), (3602, 5581694), (5483, 3666836), (7204, 2790847), (10966, 1833418), (21932, 916709)]