20189071408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{55229}}^1$

素因数の和:55346

約数の個数: 80

約数和(自身を含む): 44707138560

約数和(自身を除く): 24518067152

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 67, 88, 124, 134, 176, 248, 268, 341, 496, 536, 682, 737, 1072, 1364, 1474, 2077, 2728, 2948, 4154, 5456, 5896, 8308, 11792, 16616, 22847, 33232, 45694, 55229, 91388, 110458, 182776, 220916, 365552, 441832, 607519, 883664, 1215038, 1712099, 2430076, 3424198, 3700343, 4860152, 6848396, 7400686, 9720304, 13696792, 14801372, 18833089, 27393584, 29602744, 37666178, 40703773, 59205488, 75332356, 81407546, 114710633, 150664712, 162815092, 229421266, 301329424, 325630184, 458842532, 651260368, 917685064, 1261816963, 1835370128, 2523633926, 5047267852, 10094535704, 20189071408]

約数ペア:

[(1, 20189071408), (2, 10094535704), (4, 5047267852), (8, 2523633926), (11, 1835370128), (16, 1261816963), (22, 917685064), (31, 651260368), (44, 458842532), (62, 325630184), (67, 301329424), (88, 229421266), (124, 162815092), (134, 150664712), (176, 114710633), (248, 81407546), (268, 75332356), (341, 59205488), (496, 40703773), (536, 37666178), (682, 29602744), (737, 27393584), (1072, 18833089), (1364, 14801372), (1474, 13696792), (2077, 9720304), (2728, 7400686), (2948, 6848396), (4154, 4860152), (5456, 3700343), (5896, 3424198), (8308, 2430076), (11792, 1712099), (16616, 1215038), (22847, 883664), (33232, 607519), (45694, 441832), (55229, 365552), (91388, 220916), (110458, 182776)]