20145210688

素因数分解:

$2^6\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{15467}}^1$

素因数の和:15959

約数の個数: 56

約数和(自身を含む): 40923130752

約数和(自身を除く): 20777920064

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 188, 376, 433, 752, 866, 1504, 1732, 3008, 3464, 6928, 13856, 15467, 20351, 27712, 30934, 40702, 61868, 81404, 123736, 162808, 247472, 325616, 494944, 651232, 726949, 989888, 1302464, 1453898, 2907796, 5815592, 6697211, 11631184, 13394422, 23262368, 26788844, 46524736, 53577688, 107155376, 214310752, 314768917, 428621504, 629537834, 1259075668, 2518151336, 5036302672, 10072605344, 20145210688]

約数ペア:

[(1, 20145210688), (2, 10072605344), (4, 5036302672), (8, 2518151336), (16, 1259075668), (32, 629537834), (47, 428621504), (64, 314768917), (94, 214310752), (188, 107155376), (376, 53577688), (433, 46524736), (752, 26788844), (866, 23262368), (1504, 13394422), (1732, 11631184), (3008, 6697211), (3464, 5815592), (6928, 2907796), (13856, 1453898), (15467, 1302464), (20351, 989888), (27712, 726949), (30934, 651232), (40702, 494944), (61868, 325616), (81404, 247472), (123736, 162808)]