20436768

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6451}}^1$

素因数の和:6478

約数の個数: 72

約数和(自身を含む): 63410256

約数和(自身を除く): 42973488

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6451, 12902, 19353, 25804, 38706, 51608, 58059, 70961, 77412, 103216, 116118, 141922, 154824, 206432, 212883, 232236, 283844, 309648, 425766, 464472, 567688, 619296, 638649, 851532, 928944, 1135376, 1277298, 1703064, 1857888, 2270752, 2554596, 3406128, 5109192, 6812256, 10218384, 20436768]

約数ペア:

[(1, 20436768), (2, 10218384), (3, 6812256), (4, 5109192), (6, 3406128), (8, 2554596), (9, 2270752), (11, 1857888), (12, 1703064), (16, 1277298), (18, 1135376), (22, 928944), (24, 851532), (32, 638649), (33, 619296), (36, 567688), (44, 464472), (48, 425766), (66, 309648), (72, 283844), (88, 232236), (96, 212883), (99, 206432), (132, 154824), (144, 141922), (176, 116118), (198, 103216), (264, 77412), (288, 70961), (352, 58059), (396, 51608), (528, 38706), (792, 25804), (1056, 19353), (1584, 12902), (3168, 6451)]