20356128

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5437}}^1$

素因数の和:5466

約数の個数: 72

約数和(自身を含む): 62352108

約数和(自身を除く): 41995980

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5437, 10874, 16311, 21748, 32622, 43496, 48933, 65244, 70681, 86992, 97866, 130488, 141362, 173984, 195732, 212043, 260976, 282724, 391464, 424086, 521952, 565448, 636129, 782928, 848172, 1130896, 1272258, 1565856, 1696344, 2261792, 2544516, 3392688, 5089032, 6785376, 10178064, 20356128]

約数ペア:

[(1, 20356128), (2, 10178064), (3, 6785376), (4, 5089032), (6, 3392688), (8, 2544516), (9, 2261792), (12, 1696344), (13, 1565856), (16, 1272258), (18, 1130896), (24, 848172), (26, 782928), (32, 636129), (36, 565448), (39, 521952), (48, 424086), (52, 391464), (72, 282724), (78, 260976), (96, 212043), (104, 195732), (117, 173984), (144, 141362), (156, 130488), (208, 97866), (234, 86992), (288, 70681), (312, 65244), (416, 48933), (468, 43496), (624, 32622), (936, 21748), (1248, 16311), (1872, 10874), (3744, 5437)]