20783450896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19681}}^1\times {\mathrm{5077}}^1$

素因数の和:24779

約数の個数: 40

約数和(自身を含む): 43376215064

約数和(自身を除く): 22592764168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 5077, 10154, 19681, 20308, 39362, 40616, 66001, 78724, 81232, 132002, 157448, 255853, 264004, 314896, 511706, 528008, 1023412, 1056016, 2046824, 4093648, 99920437, 199840874, 399681748, 799363496, 1298965681, 1598726992, 2597931362, 5195862724, 10391725448, 20783450896]

約数ペア:

[(1, 20783450896), (2, 10391725448), (4, 5195862724), (8, 2597931362), (13, 1598726992), (16, 1298965681), (26, 799363496), (52, 399681748), (104, 199840874), (208, 99920437), (5077, 4093648), (10154, 2046824), (19681, 1056016), (20308, 1023412), (39362, 528008), (40616, 511706), (66001, 314896), (78724, 264004), (81232, 255853), (132002, 157448)]