20042660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 50948352

約数和(自身を除く): 30905692

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 170, 187, 220, 230, 233, 253, 340, 374, 391, 460, 466, 506, 748, 782, 932, 935, 1012, 1165, 1265, 1564, 1870, 1955, 2330, 2530, 2563, 3740, 3910, 3961, 4301, 4660, 5060, 5126, 5359, 7820, 7922, 8602, 10252, 10718, 12815, 15844, 17204, 19805, 21436, 21505, 25630, 26795, 39610, 43010, 43571, 51260, 53590, 58949, 79220, 86020, 87142, 91103, 107180, 117898, 174284, 182206, 217855, 235796, 294745, 364412, 435710, 455515, 589490, 871420, 911030, 1002133, 1178980, 1822060, 2004266, 4008532, 5010665, 10021330, 20042660]

約数ペア:

[(1, 20042660), (2, 10021330), (4, 5010665), (5, 4008532), (10, 2004266), (11, 1822060), (17, 1178980), (20, 1002133), (22, 911030), (23, 871420), (34, 589490), (44, 455515), (46, 435710), (55, 364412), (68, 294745), (85, 235796), (92, 217855), (110, 182206), (115, 174284), (170, 117898), (187, 107180), (220, 91103), (230, 87142), (233, 86020), (253, 79220), (340, 58949), (374, 53590), (391, 51260), (460, 43571), (466, 43010), (506, 39610), (748, 26795), (782, 25630), (932, 21505), (935, 21436), (1012, 19805), (1165, 17204), (1265, 15844), (1564, 12815), (1870, 10718), (1955, 10252), (2330, 8602), (2530, 7922), (2563, 7820), (3740, 5359), (3910, 5126), (3961, 5060), (4301, 4660)]