20065728

素因数分解:

$2^6\times 3^1\times {\mathrm{41}}^1\times {\mathrm{2549}}^1$

素因数の和:2605

約数の個数: 56

約数和(自身を含む): 54406800

約数和(自身を除く): 34341072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 164, 192, 246, 328, 492, 656, 984, 1312, 1968, 2549, 2624, 3936, 5098, 7647, 7872, 10196, 15294, 20392, 30588, 40784, 61176, 81568, 104509, 122352, 163136, 209018, 244704, 313527, 418036, 489408, 627054, 836072, 1254108, 1672144, 2508216, 3344288, 5016432, 6688576, 10032864, 20065728]

約数ペア:

[(1, 20065728), (2, 10032864), (3, 6688576), (4, 5016432), (6, 3344288), (8, 2508216), (12, 1672144), (16, 1254108), (24, 836072), (32, 627054), (41, 489408), (48, 418036), (64, 313527), (82, 244704), (96, 209018), (123, 163136), (164, 122352), (192, 104509), (246, 81568), (328, 61176), (492, 40784), (656, 30588), (984, 20392), (1312, 15294), (1968, 10196), (2549, 7872), (2624, 7647), (3936, 5098)]