20790428260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{11287}}^1$

素因数の和:11585

約数の個数: 96

約数和(自身を含む): 50974801920

約数和(自身を除く): 30184373660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 223, 236, 295, 413, 446, 590, 826, 892, 1115, 1180, 1561, 1652, 2065, 2230, 3122, 4130, 4460, 6244, 7805, 8260, 11287, 13157, 15610, 22574, 26314, 31220, 45148, 52628, 56435, 65785, 79009, 92099, 112870, 131570, 158018, 184198, 225740, 263140, 316036, 368396, 395045, 460495, 665933, 790090, 920990, 1331866, 1580180, 1841980, 2517001, 2663732, 3329665, 4661531, 5034002, 6659330, 9323062, 10068004, 12585005, 13318660, 17619007, 18646124, 23307655, 25170010, 35238014, 46615310, 50340020, 70476028, 88095035, 93230620, 148503059, 176190070, 297006118, 352380140, 594012236, 742515295, 1039521413, 1485030590, 2079042826, 2970061180, 4158085652, 5197607065, 10395214130, 20790428260]

約数ペア:

[(1, 20790428260), (2, 10395214130), (4, 5197607065), (5, 4158085652), (7, 2970061180), (10, 2079042826), (14, 1485030590), (20, 1039521413), (28, 742515295), (35, 594012236), (59, 352380140), (70, 297006118), (118, 176190070), (140, 148503059), (223, 93230620), (236, 88095035), (295, 70476028), (413, 50340020), (446, 46615310), (590, 35238014), (826, 25170010), (892, 23307655), (1115, 18646124), (1180, 17619007), (1561, 13318660), (1652, 12585005), (2065, 10068004), (2230, 9323062), (3122, 6659330), (4130, 5034002), (4460, 4661531), (6244, 3329665), (7805, 2663732), (8260, 2517001), (11287, 1841980), (13157, 1580180), (15610, 1331866), (22574, 920990), (26314, 790090), (31220, 665933), (45148, 460495), (52628, 395045), (56435, 368396), (65785, 316036), (79009, 263140), (92099, 225740), (112870, 184198), (131570, 158018)]