20179074416

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:918

約数の個数: 80

約数和(自身を含む): 40068864000

約数和(自身を除く): 19889789584

約数列:

[1, 2, 4, 8, 16, 101, 131, 199, 202, 262, 398, 404, 479, 524, 796, 808, 958, 1048, 1592, 1616, 1916, 2096, 3184, 3832, 7664, 13231, 20099, 26069, 26462, 40198, 48379, 52138, 52924, 62749, 80396, 95321, 96758, 104276, 105848, 125498, 160792, 190642, 193516, 208552, 211696, 250996, 321584, 381284, 387032, 417104, 501992, 762568, 774064, 1003984, 1525136, 2632969, 5265938, 6337649, 9627421, 10531876, 12487051, 12675298, 19254842, 21063752, 24974102, 25350596, 38509684, 42127504, 49948204, 50701192, 77019368, 99896408, 101402384, 154038736, 199792816, 1261192151, 2522384302, 5044768604, 10089537208, 20179074416]

約数ペア:

[(1, 20179074416), (2, 10089537208), (4, 5044768604), (8, 2522384302), (16, 1261192151), (101, 199792816), (131, 154038736), (199, 101402384), (202, 99896408), (262, 77019368), (398, 50701192), (404, 49948204), (479, 42127504), (524, 38509684), (796, 25350596), (808, 24974102), (958, 21063752), (1048, 19254842), (1592, 12675298), (1616, 12487051), (1916, 10531876), (2096, 9627421), (3184, 6337649), (3832, 5265938), (7664, 2632969), (13231, 1525136), (20099, 1003984), (26069, 774064), (26462, 762568), (40198, 501992), (48379, 417104), (52138, 387032), (52924, 381284), (62749, 321584), (80396, 250996), (95321, 211696), (96758, 208552), (104276, 193516), (105848, 190642), (125498, 160792)]