20965718590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9049}}^1\times {\mathrm{5651}}^1$

素因数の和:14748

約数の個数: 32

約数和(自身を含む): 38669853600

約数和(自身を除く): 17704135010

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 5651, 9049, 11302, 18098, 28255, 45245, 56510, 90490, 231691, 371009, 463382, 742018, 1158455, 1855045, 2316910, 3710090, 51135899, 102271798, 255679495, 511358990, 2096571859, 4193143718, 10482859295, 20965718590]

約数ペア:

[(1, 20965718590), (2, 10482859295), (5, 4193143718), (10, 2096571859), (41, 511358990), (82, 255679495), (205, 102271798), (410, 51135899), (5651, 3710090), (9049, 2316910), (11302, 1855045), (18098, 1158455), (28255, 742018), (45245, 463382), (56510, 371009), (90490, 231691)]