20210362605

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1\times {\mathrm{1327}}^1$

素因数の和:1783

約数の個数: 96

約数和(自身を含む): 37787443200

約数和(自身を除く): 17577080595

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 379, 423, 705, 855, 893, 1137, 1327, 1895, 2115, 2679, 3411, 3981, 4465, 5685, 6635, 7201, 8037, 11943, 13395, 17055, 17813, 19905, 21603, 25213, 36005, 40185, 53439, 59715, 62369, 64809, 75639, 89065, 108015, 126065, 160317, 187107, 226917, 267195, 311845, 324045, 338447, 378195, 502933, 561321, 801585, 935535, 1015341, 1134585, 1185011, 1508799, 1692235, 2514665, 2806605, 3046023, 3555033, 4526397, 5076705, 5925055, 7543995, 9555727, 10665099, 15230115, 17775165, 22631985, 23637851, 28667181, 47778635, 53325495, 70913553, 86001543, 118189255, 143335905, 212740659, 354567765, 430007715, 449119169, 1063703295, 1347357507, 2245595845, 4042072521, 6736787535, 20210362605]

約数ペア:

[(1, 20210362605), (3, 6736787535), (5, 4042072521), (9, 2245595845), (15, 1347357507), (19, 1063703295), (45, 449119169), (47, 430007715), (57, 354567765), (95, 212740659), (141, 143335905), (171, 118189255), (235, 86001543), (285, 70913553), (379, 53325495), (423, 47778635), (705, 28667181), (855, 23637851), (893, 22631985), (1137, 17775165), (1327, 15230115), (1895, 10665099), (2115, 9555727), (2679, 7543995), (3411, 5925055), (3981, 5076705), (4465, 4526397), (5685, 3555033), (6635, 3046023), (7201, 2806605), (8037, 2514665), (11943, 1692235), (13395, 1508799), (17055, 1185011), (17813, 1134585), (19905, 1015341), (21603, 935535), (25213, 801585), (36005, 561321), (40185, 502933), (53439, 378195), (59715, 338447), (62369, 324045), (64809, 311845), (75639, 267195), (89065, 226917), (108015, 187107), (126065, 160317)]