20308530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 37752270

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 41, 55, 57, 66, 79, 82, 95, 110, 114, 123, 158, 165, 190, 205, 209, 237, 246, 285, 330, 395, 410, 418, 451, 474, 570, 615, 627, 779, 790, 869, 902, 1045, 1185, 1230, 1254, 1353, 1501, 1558, 1738, 2090, 2255, 2337, 2370, 2607, 2706, 3002, 3135, 3239, 3895, 4345, 4503, 4510, 4674, 5214, 6270, 6478, 6765, 7505, 7790, 8569, 8690, 9006, 9717, 11685, 13035, 13530, 15010, 16195, 16511, 17138, 19434, 22515, 23370, 25707, 26070, 32390, 33022, 35629, 42845, 45030, 48585, 49533, 51414, 61541, 71258, 82555, 85690, 97170, 99066, 106887, 123082, 128535, 165110, 178145, 184623, 213774, 247665, 257070, 307705, 356290, 369246, 495330, 534435, 615410, 676951, 923115, 1068870, 1353902, 1846230, 2030853, 3384755, 4061706, 6769510, 10154265, 20308530]

約数ペア:

[(1, 20308530), (2, 10154265), (3, 6769510), (5, 4061706), (6, 3384755), (10, 2030853), (11, 1846230), (15, 1353902), (19, 1068870), (22, 923115), (30, 676951), (33, 615410), (38, 534435), (41, 495330), (55, 369246), (57, 356290), (66, 307705), (79, 257070), (82, 247665), (95, 213774), (110, 184623), (114, 178145), (123, 165110), (158, 128535), (165, 123082), (190, 106887), (205, 99066), (209, 97170), (237, 85690), (246, 82555), (285, 71258), (330, 61541), (395, 51414), (410, 49533), (418, 48585), (451, 45030), (474, 42845), (570, 35629), (615, 33022), (627, 32390), (779, 26070), (790, 25707), (869, 23370), (902, 22515), (1045, 19434), (1185, 17138), (1230, 16511), (1254, 16195), (1353, 15010), (1501, 13530), (1558, 13035), (1738, 11685), (2090, 9717), (2255, 9006), (2337, 8690), (2370, 8569), (2607, 7790), (2706, 7505), (3002, 6765), (3135, 6478), (3239, 6270), (3895, 5214), (4345, 4674), (4503, 4510)]