20791632

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 57674880

約数和(自身を除く): 36883248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 37, 46, 48, 69, 74, 92, 111, 138, 148, 184, 222, 276, 296, 368, 444, 509, 552, 592, 851, 888, 1018, 1104, 1527, 1702, 1776, 2036, 2553, 3054, 3404, 4072, 5106, 6108, 6808, 8144, 10212, 11707, 12216, 13616, 18833, 20424, 23414, 24432, 35121, 37666, 40848, 46828, 56499, 70242, 75332, 93656, 112998, 140484, 150664, 187312, 225996, 280968, 301328, 433159, 451992, 561936, 866318, 903984, 1299477, 1732636, 2598954, 3465272, 5197908, 6930544, 10395816, 20791632]

約数ペア:

[(1, 20791632), (2, 10395816), (3, 6930544), (4, 5197908), (6, 3465272), (8, 2598954), (12, 1732636), (16, 1299477), (23, 903984), (24, 866318), (37, 561936), (46, 451992), (48, 433159), (69, 301328), (74, 280968), (92, 225996), (111, 187312), (138, 150664), (148, 140484), (184, 112998), (222, 93656), (276, 75332), (296, 70242), (368, 56499), (444, 46828), (509, 40848), (552, 37666), (592, 35121), (851, 24432), (888, 23414), (1018, 20424), (1104, 18833), (1527, 13616), (1702, 12216), (1776, 11707), (2036, 10212), (2553, 8144), (3054, 6808), (3404, 6108), (4072, 5106)]