20646864

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20483}}^1$

素因数の和:20504

約数の個数: 60

約数和(自身を含む): 66040416

約数和(自身を除く): 45393552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20483, 40966, 61449, 81932, 122898, 143381, 163864, 184347, 245796, 286762, 327728, 368694, 430143, 491592, 573524, 737388, 860286, 983184, 1147048, 1290429, 1474776, 1720572, 2294096, 2580858, 2949552, 3441144, 5161716, 6882288, 10323432, 20646864]

約数ペア:

[(1, 20646864), (2, 10323432), (3, 6882288), (4, 5161716), (6, 3441144), (7, 2949552), (8, 2580858), (9, 2294096), (12, 1720572), (14, 1474776), (16, 1290429), (18, 1147048), (21, 983184), (24, 860286), (28, 737388), (36, 573524), (42, 491592), (48, 430143), (56, 368694), (63, 327728), (72, 286762), (84, 245796), (112, 184347), (126, 163864), (144, 143381), (168, 122898), (252, 81932), (336, 61449), (504, 40966), (1008, 20483)]