20171728088

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{56891}}^1$

素因数の和:57008

約数の個数: 64

約数和(自身を含む): 41289937920

約数和(自身を除く): 21118209832

約数列:

[1, 2, 4, 8, 23, 41, 46, 47, 82, 92, 94, 164, 184, 188, 328, 376, 943, 1081, 1886, 1927, 2162, 3772, 3854, 4324, 7544, 7708, 8648, 15416, 44321, 56891, 88642, 113782, 177284, 227564, 354568, 455128, 1308493, 2332531, 2616986, 2673877, 4665062, 5233972, 5347754, 9330124, 10467944, 10695508, 18660248, 21391016, 53648213, 61499171, 107296426, 109628957, 122998342, 214592852, 219257914, 245996684, 429185704, 438515828, 491993368, 877031656, 2521466011, 5042932022, 10085864044, 20171728088]

約数ペア:

[(1, 20171728088), (2, 10085864044), (4, 5042932022), (8, 2521466011), (23, 877031656), (41, 491993368), (46, 438515828), (47, 429185704), (82, 245996684), (92, 219257914), (94, 214592852), (164, 122998342), (184, 109628957), (188, 107296426), (328, 61499171), (376, 53648213), (943, 21391016), (1081, 18660248), (1886, 10695508), (1927, 10467944), (2162, 9330124), (3772, 5347754), (3854, 5233972), (4324, 4665062), (7544, 2673877), (7708, 2616986), (8648, 2332531), (15416, 1308493), (44321, 455128), (56891, 354568), (88642, 227564), (113782, 177284)]