20354320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1952

約数の個数: 80

約数和(自身を含む): 56960640

約数和(自身を除く): 36606320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 1913, 2128, 2660, 3826, 5320, 7652, 9565, 10640, 13391, 15304, 19130, 26782, 30608, 36347, 38260, 53564, 66955, 72694, 76520, 107128, 133910, 145388, 153040, 181735, 214256, 254429, 267820, 290776, 363470, 508858, 535640, 581552, 726940, 1017716, 1071280, 1272145, 1453880, 2035432, 2544290, 2907760, 4070864, 5088580, 10177160, 20354320]

約数ペア:

[(1, 20354320), (2, 10177160), (4, 5088580), (5, 4070864), (7, 2907760), (8, 2544290), (10, 2035432), (14, 1453880), (16, 1272145), (19, 1071280), (20, 1017716), (28, 726940), (35, 581552), (38, 535640), (40, 508858), (56, 363470), (70, 290776), (76, 267820), (80, 254429), (95, 214256), (112, 181735), (133, 153040), (140, 145388), (152, 133910), (190, 107128), (266, 76520), (280, 72694), (304, 66955), (380, 53564), (532, 38260), (560, 36347), (665, 30608), (760, 26782), (1064, 19130), (1330, 15304), (1520, 13391), (1913, 10640), (2128, 9565), (2660, 7652), (3826, 5320)]